diff --git a/lib/completion.zsh b/lib/completion.zsh
index 3a19a4eba..ea6139fde 100644
--- a/lib/completion.zsh
+++ b/lib/completion.zsh
@@ -38,7 +38,7 @@ cdpath=(.)
 
 # Use caching so that commands like apt and dpkg complete are useable
 zstyle ':completion::complete:*' use-cache 1
-zstyle ':completion::complete:*' cache-path $ZSH/cache/
+zstyle ':completion::complete:*' cache-path $ZSH_CACHE_DIR
 
 # Don't complete uninteresting users
 zstyle ':completion:*:*:*:users' ignored-patterns \
diff --git a/lib/nvm.zsh b/lib/nvm.zsh
index 5cadf7061..61d997fc0 100644
--- a/lib/nvm.zsh
+++ b/lib/nvm.zsh
@@ -1,6 +1,6 @@
 # get the node.js version
 function nvm_prompt_info() {
-  [ -f $HOME/.nvm/nvm.sh ] || return
+  [ -f "$HOME/.nvm/nvm.sh" ] || return
   local nvm_prompt
   nvm_prompt=$(node -v 2>/dev/null)
   [[ "${nvm_prompt}x" == "x" ]] && return
diff --git a/lib/termsupport.zsh b/lib/termsupport.zsh
index 9d6681603..d9f2b64d4 100644
--- a/lib/termsupport.zsh
+++ b/lib/termsupport.zsh
@@ -1,7 +1,6 @@
 #usage: title short_tab_title looooooooooooooooooooooggggggg_windows_title
 #http://www.faqs.org/docs/Linux-mini/Xterm-Title.html#ss3.1
 #Fully support screen, iterm, and probably most modern xterm and rxvt
-#Limited support for Apple Terminal (Terminal can't set window or tab separately)
 function title {
   if [[ "$DISABLE_AUTO_TITLE" == "true" ]] || [[ "$EMACS" == *term* ]]; then
     return
@@ -10,7 +9,7 @@ function title {
     print -Pn "\ek$1:q\e\\" #set screen hardstatus, usually truncated at 20 chars
   elif [[ "$TERM" == xterm* ]] || [[ $TERM == rxvt* ]] || [[ $TERM == ansi ]] || [[ "$TERM_PROGRAM" == "iTerm.app" ]]; then
     print -Pn "\e]2;$2:q\a" #set window name
-    print -Pn "\e]1;$1:q\a" #set icon (=tab) name (will override window name on broken terminal)
+    print -Pn "\e]1;$1:q\a" #set icon (=tab) name
   fi
 }
 
@@ -34,5 +33,18 @@ function omz_termsupport_preexec {
   title '$CMD' '%100>...>$LINE%<<'
 }
 
+#Appears each time pwd is changed
+function omz_termsupport_chpwd {
+  #Notify Terminal.app of current directory using undocumented OSC sequence
+  #found in OS X 10.10's /etc/bashrc
+  if [[ $TERM_PROGRAM == Apple_Terminal ]] && [[ -z $INSIDE_EMACS ]]; then
+    local PWD_URL="file://$HOSTNAME${PWD// /%20}"
+    printf '\e]7;%s\a' "$PWD_URL"
+  fi
+}
+#Fire it once so the pwd is set properly upon shell startup
+omz_termsupport_chpwd
+
 precmd_functions+=(omz_termsupport_precmd)
 preexec_functions+=(omz_termsupport_preexec)
+chpwd_functions+=(omz_termsupport_chpwd)
diff --git a/oh-my-zsh.sh b/oh-my-zsh.sh
index d75b521c7..bc7a8e496 100644
--- a/oh-my-zsh.sh
+++ b/oh-my-zsh.sh
@@ -14,6 +14,13 @@ if [[ -z "$ZSH_CUSTOM" ]]; then
     ZSH_CUSTOM="$ZSH/custom"
 fi
 
+# Set ZSH_CACHE_DIR to the path where cache files sould be created
+# or else we will use the default cache/
+if [[ -z "$ZSH_CACHE_DIR" ]]; then
+  ZSH_CACHE_DIR="$ZSH/cache/"
+fi
+
+
 # Load all of the config files in ~/oh-my-zsh that end in .zsh
 # TIP: Add files you don't want in git to .gitignore
 for config_file ($ZSH/lib/*.zsh); do
diff --git a/plugins/autojump/autojump.plugin.zsh b/plugins/autojump/autojump.plugin.zsh
index 652d22696..4cf036401 100644
--- a/plugins/autojump/autojump.plugin.zsh
+++ b/plugins/autojump/autojump.plugin.zsh
@@ -1,6 +1,8 @@
 if [ $commands[autojump] ]; then # check if autojump is installed
   if [ -f $HOME/.autojump/etc/profile.d/autojump.zsh ]; then # manual user-local installation
     . $HOME/.autojump/etc/profile.d/autojump.zsh
+  elif [ -f $HOME/.autojump/share/autojump/autojump.zsh ]; then # another manual user-local installation
+    . $HOME/.autojump/share/autojump/autojump.zsh
   elif [ -f $HOME/.nix-profile/etc/profile.d/autojump.zsh ]; then # nix installation
     . $HOME/.nix-profile/etc/profile.d/autojump.zsh
   elif [ -f /usr/share/autojump/autojump.zsh ]; then # debian and ubuntu package
diff --git a/plugins/aws/aws.plugin.zsh b/plugins/aws/aws.plugin.zsh
index de786725f..0ae18dd56 100644
--- a/plugins/aws/aws.plugin.zsh
+++ b/plugins/aws/aws.plugin.zsh
@@ -22,7 +22,10 @@ function aws_profiles {
 compctl -K aws_profiles asp
 
 if _homebrew-installed && _awscli-homebrew-installed ; then
-  source $(brew --prefix)/opt/awscli/libexec/bin/aws_zsh_completer.sh
+  _aws_zsh_completer_path=$(brew --prefix)/opt/awscli/libexec/bin/aws_zsh_completer.sh
 else
-  source `which aws_zsh_completer.sh`
+  _aws_zsh_completer_path=$(which aws_zsh_completer.sh)
 fi
+
+[ -x $_aws_zsh_completer_path ] && source $_aws_zsh_completer_path
+unset _aws_zsh_completer_path
diff --git a/plugins/brew/_brew b/plugins/brew/_brew
index 40442a1d3..d11aa245d 100644
--- a/plugins/brew/_brew
+++ b/plugins/brew/_brew
@@ -19,21 +19,18 @@ _brew_outdated_formulae() {
   outdated_formulae=(`brew outdated`)
 }
 
-_brew_running_services() {
-  running_services=(`brew services list | awk '{print $1}'`)
-}
-
 local -a _1st_arguments
 _1st_arguments=(
   'audit:check formulae for Homebrew coding style'
-  'bundle:look for a Brewfile and run each line as a brew command'
   'cat:display formula file for a formula'
   'cleanup:uninstall unused and old versions of packages'
   'commands:show a list of commands'
   'create:create a new formula'
-  'deps:list dependencies and dependants of a formula'
+  'deps:list dependencies of a formula'
   'doctor:audits your installation for common issues'
   'edit:edit a formula'
+  'fetch:download formula resources to the cache'
+  'gist-logs:generate a gist of the full build logs'
   'home:visit the homepage of a formula or the brew project'
   'info:information about a formula'
   'install:install a formula'
@@ -44,32 +41,24 @@ _1st_arguments=(
   'missing:check all installed formuale for missing dependencies.'
   'outdated:list formulae for which a newer version is available'
   'pin:pin specified formulae'
+  'postinstall:perform post_install for a given formula'
   'prune:remove dead links'
   'remove:remove a formula'
   'search:search for a formula (/regex/ or string)'
-  'server:start a local web app that lets you browse formulae (requires Sinatra)'
-  'services:small wrapper around `launchctl` for supported formulae'
+  'switch:switch linkage between installed versions of a formula'
   'tap:tap a new formula repository from GitHub, or list existing taps'
+  'test-bot:test a formula and build a bottle'
   'uninstall:uninstall a formula'
   'unlink:unlink a formula'
   'unpin:unpin specified formulae'
   'untap:remove a tapped repository'
-  'update:freshen up links'
+  'update:pull latest repository'
   'upgrade:upgrade outdated formulae'
   'uses:show formulae which depend on a formula'
 )
 
-local -a _service_arguments
-_service_arguments=(
-  'cleanup:get rid of stale services and unused plists'
-  'list:list all services managed by `brew services`'
-  'restart:gracefully restart selected service'
-  'start:start selected service'
-  'stop:stop selected service'
-)
-
 local expl
-local -a formulae installed_formulae installed_taps outdated_formulae running_services
+local -a formulae installed_formulae installed_taps outdated_formulae
 
 _arguments \
   '(-v)-v[verbose]' \
@@ -80,6 +69,7 @@ _arguments \
   '(--version)--version[version information]' \
   '(--prefix)--prefix[where brew lives on this system]' \
   '(--cache)--cache[brew cache]' \
+  '(--force)--force[brew force]' \
   '*:: :->subcmds' && return 0
 
 if (( CURRENT == 1 )); then
@@ -109,16 +99,6 @@ case "$words[1]" in
     _arguments \
       '(--macports)--macports[search the macports repository]' \
       '(--fink)--fink[search the fink repository]' ;;
-  services)
-    if [[ -n "$words[2]" ]]; then
-      case "$words[2]" in
-        restart|start|stop)
-          _brew_running_services
-          _wanted running_services expl 'running services' compadd -a running_services ;;
-      esac
-    else
-      _describe -t commands "brew services subcommand" _service_arguments
-    fi ;;
   untap)
     _brew_installed_taps
     _wanted installed_taps expl 'installed taps' compadd -a installed_taps ;;
diff --git a/plugins/chruby/chruby.plugin.zsh b/plugins/chruby/chruby.plugin.zsh
index 2a2c80cf6..b461b0c9b 100644
--- a/plugins/chruby/chruby.plugin.zsh
+++ b/plugins/chruby/chruby.plugin.zsh
@@ -24,7 +24,7 @@ _homebrew-installed() {
 }
 
 _chruby-from-homebrew-installed() {
-    brew --prefix chruby &> /dev/null
+  [ -r $(brew --prefix chruby)] &> /dev/null
 }
 
 _ruby-build_installed() {
@@ -45,11 +45,11 @@ _source_from_omz_settings() {
     zstyle -s :omz:plugins:chruby path _chruby_path
     zstyle -s :omz:plugins:chruby auto _chruby_auto
 
-    if _chruby_path && [[ -r _chruby_path ]]; then
+    if ${_chruby_path} && [[ -r ${_chruby_path} ]]; then
         source ${_chruby_path}
     fi
 
-    if _chruby_auto && [[ -r _chruby_auto ]]; then
+    if ${_chruby_auto} && [[ -r ${_chruby_auto} ]]; then
         source ${_chruby_auto}
     fi
 }
diff --git a/plugins/django/django.plugin.zsh b/plugins/django/django.plugin.zsh
index aaaa7d21d..2e9ce1c52 100644
--- a/plugins/django/django.plugin.zsh
+++ b/plugins/django/django.plugin.zsh
@@ -236,5 +236,6 @@ _managepy() {
 
 compdef _managepy manage.py
 compdef _managepy django
+compdef _managepy django-admin
 compdef _managepy django-admin.py
 compdef _managepy django-manage
diff --git a/plugins/docker/_docker b/plugins/docker/_docker
index 28568a6e5..880b6faa6 100644
--- a/plugins/docker/_docker
+++ b/plugins/docker/_docker
@@ -4,6 +4,7 @@
 # Requires: Docker installed
 # Author: Azaan (@aeonazaan)
 # Updates: Bob Maerten (@bobmaerten) for Docker v0.9+
+#          Paul van den Berg (@bergvandenp) for Docker v1.3+ 
 
 
 # ----- Helper functions
@@ -238,6 +239,14 @@ __wait() {
     __docker_containers
 }
 
+__exec() {
+    _arguments \
+      '(-d,--detach=)'{-d,--detach=}'[Detached mode: run command in the background]' \
+      '(-i,--interactive=)'{-i,--interactive=}'[Keep STDIN open even if not attached]' \
+      '(-t,--tty=)'{-t,--tty=}'[Allocate a pseudo-TTY]'
+    __docker_containers
+}
+
 # end commands ---------
 # ----------------------
 
@@ -276,6 +285,7 @@ _1st_arguments=(
     "top":"Lookup the running processes of a container"
     "version":"Show the docker version information"
     "wait":"Block until a container stops, then print its exit code"
+    "exec":"Run a task inside a running container"
 )
 
 _arguments '*:: :->command'
@@ -353,4 +363,6 @@ case "$words[1]" in
         __version ;;
     wait)
         __wait ;;
+    exec)
+        __exec ;;
 esac
diff --git a/plugins/heroku/_heroku b/plugins/heroku/_heroku
index 46663303a..bb2f7403f 100644
--- a/plugins/heroku/_heroku
+++ b/plugins/heroku/_heroku
@@ -27,8 +27,6 @@ _1st_arguments=(
   "config\:push":"push local config vars to heroku"
   "config\:set":"set one or more config vars"
   "config\:unset":"unset one or more config vars"
-  "db\:push":"push local data up to your app"
-  "db\:pull":"pull heroku data down into your local database"
   "domains":"list custom domains for an app"
   "domains\:add":"add a custom domain to an app"
   "domains\:remove":"remove a custom domain from an app"
@@ -43,12 +41,20 @@ _1st_arguments=(
   "logs\:drains":"manage syslog drains"
   "maintenance\:on":"put the app into maintenance mode"
   "maintenance\:off":"take the app out of maintenance mode"
+  "pg\:credentials":"display the DATABASE credentials"
+  "pg\:diagnose":"run diagnostics report on DATABASE"
   "pg\:info":"display database information"
-  "pg\:ingress":"allow direct connections to the database from this IP for one minute"
+  "pg\:kill":"kill a query"
+  "pg\:killall":"terminates ALL connections"
+  "pg\:maintenance":"manage maintenance for DATABASE"
   "pg\:promote":"sets DATABASE as your DATABASE_URL"
+  "pg\:ps":"view active queries with execution time"
   "pg\:psql":"open a psql shell to the database"
+  "pg\:pull":"pull from REMOTE_SOURCE_DATABASE to LOCAL_TARGET_DATABASE"
+  "pg\:push":"push from LOCAL_SOURCE_DATABASE to REMOTE_TARGET_DATABASE"
   "pg\:reset":"delete all data in DATABASE"
   "pg\:unfollow":"stop a replica from following and make it a read/write database"
+  "pg\:upgrade":"unfollow a database and upgrade it to the latest PostgreSQL version"
   "pg\:wait":"monitor database creation, exit when complete"
   "pgbackups":"list captured backups"
   "pgbackups\:url":"get a temporary URL for a backup"
@@ -108,26 +114,6 @@ case "$words[1]" in
       '(-s|--shell)'{-s,--shell}'[output config vars in shell format]' \
     )
     ;;
-  db:push)
-    _command_args=(
-      '(-c|--chunksize)'{-c,--chunksize}'[specify the number of rows to send in each batch]' \
-      '(-d|--debug)'{-d,--debug}'[enable debugging output]' \
-      '(-e|--exclude)'{-e,--exclude}'[exclude the specified tables from the push]' \
-      '(-f|--filter)'{-f,--filter}'[only push certain tables]' \
-      '(-r|--resume)'{-r,--resume}'[resume transfer described by a .dat file]' \
-      '(-t|--tables)'{-t,--tables}'[only push the specified tables]' \
-    )
-    ;;
-  db:pull)
-    _command_args=(
-      '(-c|--chunksize)'{-c,--chunksize}'[specify the number of rows to send in each batch]' \
-      '(-d|--debug)'{-d,--debug}'[enable debugging output]' \
-      '(-e|--exclude)'{-e,--exclude}'[exclude the specified tables from the pull]' \
-      '(-f|--filter)'{-f,--filter}'[only pull certain tables]' \
-      '(-r|--resume)'{-r,--resume}'[resume transfer described by a .dat file]' \
-      '(-t|--tables)'{-t,--tables}'[only pull the specified tables]' \
-    )
-    ;;
   keys)
     _command_args=(
       '(-l|--long)'{-l,--long}'[display extended information for each key]' \
diff --git a/plugins/last-working-dir/last-working-dir.plugin.zsh b/plugins/last-working-dir/last-working-dir.plugin.zsh
index 2a2430b0b..639d77bd6 100644
--- a/plugins/last-working-dir/last-working-dir.plugin.zsh
+++ b/plugins/last-working-dir/last-working-dir.plugin.zsh
@@ -4,8 +4,8 @@
 
 # Flag indicating if we've previously jumped to last directory.
 typeset -g ZSH_LAST_WORKING_DIRECTORY
-mkdir -p "$ZSH/cache"
-local cache_file="$ZSH/cache/last-working-dir"
+mkdir -p $ZSH_CACHE_DIR
+local cache_file="$ZSH_CACHE_DIR/last-working-dir"
 
 # Updates the last directory once directory is changed.
 function chpwd() {
diff --git a/plugins/tmux/tmux.plugin.zsh b/plugins/tmux/tmux.plugin.zsh
index 626c41f3d..bc32c8907 100644
--- a/plugins/tmux/tmux.plugin.zsh
+++ b/plugins/tmux/tmux.plugin.zsh
@@ -5,6 +5,8 @@
 alias ta='tmux attach -t'
 alias ts='tmux new-session -s'
 alias tl='tmux list-sessions'
+alias tksv='tmux kill-server'
+alias tkss='tmux kill-session -t'
 
 # Only run if tmux is actually installed
 if which tmux &> /dev/null
diff --git a/plugins/virtualenvwrapper/virtualenvwrapper.plugin.zsh b/plugins/virtualenvwrapper/virtualenvwrapper.plugin.zsh
index f58bda1ad..52e02d3e0 100644
--- a/plugins/virtualenvwrapper/virtualenvwrapper.plugin.zsh
+++ b/plugins/virtualenvwrapper/virtualenvwrapper.plugin.zsh
@@ -1,57 +1,63 @@
 virtualenvwrapper='virtualenvwrapper.sh'
 if (( $+commands[$virtualenvwrapper] )); then
+
   source ${${virtualenvwrapper}:c}
 
-  if [[ ! $DISABLE_VENV_CD -eq 1 ]]; then
-    # Automatically activate Git projects's virtual environments based on the
-    # directory name of the project. Virtual environment name can be overridden
-    # by placing a .venv file in the project root with a virtualenv name in it
-    function workon_cwd {
-        if [ ! $WORKON_CWD ]; then
-            WORKON_CWD=1
-            # Check if this is a Git repo
-            PROJECT_ROOT=`git rev-parse --show-toplevel 2> /dev/null`
-            if (( $? != 0 )); then
-                PROJECT_ROOT="."
-            fi
-            # Check for virtualenv name override
-            if [[ -f "$PROJECT_ROOT/.venv" ]]; then
-                ENV_NAME=`cat "$PROJECT_ROOT/.venv"`
-            elif [[ -f "$PROJECT_ROOT/.venv/bin/activate" ]];then
-                ENV_NAME="$PROJECT_ROOT/.venv"
-            elif [[ "$PROJECT_ROOT" != "." ]]; then
-                ENV_NAME=`basename "$PROJECT_ROOT"`
-            else
-                ENV_NAME=""
-            fi
-            if [[ "$ENV_NAME" != "" ]]; then
-                # Activate the environment only if it is not already active
-                if [[ "$VIRTUAL_ENV" != "$WORKON_HOME/$ENV_NAME" ]]; then
-                    if [[ -e "$WORKON_HOME/$ENV_NAME/bin/activate" ]]; then
-                        workon "$ENV_NAME" && export CD_VIRTUAL_ENV="$ENV_NAME"
-                    elif [[ -e "$ENV_NAME/bin/activate" ]]; then
-                        source $ENV_NAME/bin/activate && export CD_VIRTUAL_ENV="$ENV_NAME"
-                    fi
-                fi
-            elif [ $CD_VIRTUAL_ENV ]; then
-                # We've just left the repo, deactivate the environment
-                # Note: this only happens if the virtualenv was activated automatically
-                deactivate && unset CD_VIRTUAL_ENV
-            fi
-            unset PROJECT_ROOT
-            unset WORKON_CWD
-        fi
-    }
+  if [[ "$WORKON_HOME" == "" ]]; then
+    echo "\$WORKON_HOME is not defined so ZSH plugin virtualenvwrapper will not work"
+  else
 
-    # Append workon_cwd to the chpwd_functions array, so it will be called on cd
-    # http://zsh.sourceforge.net/Doc/Release/Functions.html
-    # TODO: replace with 'add-zsh-hook chpwd workon_cwd' when oh-my-zsh min version is raised above 4.3.4
-    if (( ${+chpwd_functions} )); then
-        if (( $chpwd_functions[(I)workon_cwd] == 0 )); then
-            set -A chpwd_functions $chpwd_functions workon_cwd
+    if [[ ! $DISABLE_VENV_CD -eq 1 ]]; then
+      # Automatically activate Git projects's virtual environments based on the
+      # directory name of the project. Virtual environment name can be overridden
+      # by placing a .venv file in the project root with a virtualenv name in it
+      function workon_cwd {
+        if [ ! $WORKON_CWD ]; then
+          WORKON_CWD=1
+          # Check if this is a Git repo
+          PROJECT_ROOT=`git rev-parse --show-toplevel 2> /dev/null`
+          if (( $? != 0 )); then
+            PROJECT_ROOT="."
+          fi
+          # Check for virtualenv name override
+          if [[ -f "$PROJECT_ROOT/.venv" ]]; then
+            ENV_NAME=`cat "$PROJECT_ROOT/.venv"`
+          elif [[ -f "$PROJECT_ROOT/.venv/bin/activate" ]];then
+            ENV_NAME="$PROJECT_ROOT/.venv"
+          elif [[ "$PROJECT_ROOT" != "." ]]; then
+            ENV_NAME=`basename "$PROJECT_ROOT"`
+          else
+            ENV_NAME=""
+          fi
+          if [[ "$ENV_NAME" != "" ]]; then
+            # Activate the environment only if it is not already active
+            if [[ "$VIRTUAL_ENV" != "$WORKON_HOME/$ENV_NAME" ]]; then
+              if [[ -e "$WORKON_HOME/$ENV_NAME/bin/activate" ]]; then
+                workon "$ENV_NAME" && export CD_VIRTUAL_ENV="$ENV_NAME"
+              elif [[ -e "$ENV_NAME/bin/activate" ]]; then
+                source $ENV_NAME/bin/activate && export CD_VIRTUAL_ENV="$ENV_NAME"
+              fi
+            fi
+          elif [ $CD_VIRTUAL_ENV ]; then
+            # We've just left the repo, deactivate the environment
+            # Note: this only happens if the virtualenv was activated automatically
+            deactivate && unset CD_VIRTUAL_ENV
+          fi
+          unset PROJECT_ROOT
+          unset WORKON_CWD
         fi
-    else
+      }
+
+      # Append workon_cwd to the chpwd_functions array, so it will be called on cd
+      # http://zsh.sourceforge.net/Doc/Release/Functions.html
+      # TODO: replace with 'add-zsh-hook chpwd workon_cwd' when oh-my-zsh min version is raised above 4.3.4
+      if (( ${+chpwd_functions} )); then
+        if (( $chpwd_functions[(I)workon_cwd] == 0 )); then
+          set -A chpwd_functions $chpwd_functions workon_cwd
+        fi
+      else
         set -A chpwd_functions workon_cwd
+      fi
     fi
   fi
 else
diff --git a/plugins/web-search/web-search.plugin.zsh b/plugins/web-search/web-search.plugin.zsh
index 371e3a303..28559deb9 100644
--- a/plugins/web-search/web-search.plugin.zsh
+++ b/plugins/web-search/web-search.plugin.zsh
@@ -37,8 +37,7 @@ function web_search() {
   done
 
   url="${url%?}" # remove the last '+'
-  nohup $open_cmd "$url" 
- 	rm nohup.out	
+  nohup $open_cmd "$url" >/dev/null 2&>1
 }
 
 
diff --git a/plugins/wp-cli/wp-cli.plugin.zsh b/plugins/wp-cli/wp-cli.plugin.zsh
index 5d9551e24..ac430b7a2 100644
--- a/plugins/wp-cli/wp-cli.plugin.zsh
+++ b/plugins/wp-cli/wp-cli.plugin.zsh
@@ -52,19 +52,19 @@ alias wpmlo='wp menu location'
 # Option
 
 # Plugin
-alias wppa='activate'
-alias wppda='deactivate'
-alias wppd='delete'
-alias wppg='get'
-alias wppi='install'
-alias wppis='is-installed'
-alias wppl='list'
-alias wppp='path'
-alias wpps='search'
-alias wppst='status'
-alias wppt='toggle'
-alias wppu='uninstall'
-alias wppu='update'
+alias wppa='wp plugin activate'
+alias wppda='wp plugin deactivate'
+alias wppd='wp plugin delete'
+alias wppg='wp plugin get'
+alias wppi='wp plugin install'
+alias wppis='wp plugin is-installed'
+alias wppl='wp plugin list'
+alias wppp='wp plugin path'
+alias wpps='wp plugin search'
+alias wppst='wp plugin status'
+alias wppt='wp plugin toggle'
+alias wppu='wp plugin uninstall'
+alias wppu='wp plugin update'
 
 # Post
 alias wppoc='wp post create'
diff --git a/plugins/xcode/xcode.plugin.zsh b/plugins/xcode/xcode.plugin.zsh
index b7b75cf93..1d1205b80 100644
--- a/plugins/xcode/xcode.plugin.zsh
+++ b/plugins/xcode/xcode.plugin.zsh
@@ -16,6 +16,7 @@ function xcsel {
 
 alias xcb='xcodebuild'
 alias xcp='xcode-select --print-path'
+alias xcdd='rm -rf ~/Library/Developer/Xcode/DerivedData/*'
 
 if [[ -d $(xcode-select -p)/Platforms/iPhoneSimulator.platform/Developer/Applications/iPhone\ Simulator.app ]]; then
   alias simulator='open $(xcode-select -p)/Platforms/iPhoneSimulator.platform/Developer/Applications/iPhone\ Simulator.app'
diff --git a/plugins/yii2/README.md b/plugins/yii2/README.md
new file mode 100644
index 000000000..345b66eb6
--- /dev/null
+++ b/plugins/yii2/README.md
@@ -0,0 +1,7 @@
+# Yii2 autocomplete plugin
+
+* Adds autocomplete commands and subcommands for yii.
+
+## Requirements
+
+Autocomplete works from directory where your `yii` file contains.
diff --git a/plugins/yii2/yii2.plugin.zsh b/plugins/yii2/yii2.plugin.zsh
new file mode 100644
index 000000000..e8993adf4
--- /dev/null
+++ b/plugins/yii2/yii2.plugin.zsh
@@ -0,0 +1,29 @@
+# Yii2 command completion
+
+_yii2_format_command () {
+  awk '/^- [a-z]+/ { sub(":", "", $2); print $2 }'
+}
+
+_yii2 () {
+  if [ -f ./yii ]; then
+    _arguments \
+      '1: :->command'\
+      '*: :->params'
+
+    case $state in
+      command)
+
+      local -a commands
+      local -a name
+
+      if [[ $words[2] == *\/ ]]; then
+        name=$words[2]
+      fi
+
+      commands=(${(f)"$(./yii help $name --color=0 | _yii2_format_command)"})
+      compadd -Q -S '' -a -- commands
+    esac
+  fi
+}
+
+compdef _yii2 yii
\ No newline at end of file
diff --git a/plugins/zsh_reload/zsh_reload.plugin.zsh b/plugins/zsh_reload/zsh_reload.plugin.zsh
index 3f44b99c6..cde9ebeca 100644
--- a/plugins/zsh_reload/zsh_reload.plugin.zsh
+++ b/plugins/zsh_reload/zsh_reload.plugin.zsh
@@ -1,7 +1,7 @@
 # reload zshrc
 function src()
 {
-  local cache="$ZSH/cache"
+  local cache=$ZSH_CACHE_DIR
   autoload -U compinit zrecompile
   compinit -d "$cache/zcomp-$HOST"
 
diff --git a/themes/mira.zsh-theme b/themes/mira.zsh-theme
new file mode 100644
index 000000000..e6c952998
--- /dev/null
+++ b/themes/mira.zsh-theme
@@ -0,0 +1,29 @@
+# Based on bira zsh theme with nvm, rvm and jenv support
+local return_code="%(?..%{$fg[red]%}%? ↵%{$reset_color%})"
+
+local user_host='%{$terminfo[bold]$fg[green]%}%n@%m%{$reset_color%}'
+local current_dir='%{$terminfo[bold]$fg[blue]%} %~%{$reset_color%}'
+
+local rvm_ruby=''
+if which rvm-prompt &> /dev/null; then
+  rvm_ruby='%{$fg[red]%}‹$(rvm-prompt i v g)›%{$reset_color%}'
+else
+  if which rbenv &> /dev/null; then
+    rvm_ruby='%{$fg[red]%}‹$(rbenv version | sed -e "s/ (set.*$//")›%{$reset_color%}'
+  fi
+fi
+
+local nvm_node=''
+nvm_node='%{$fg[green]%}‹node-$(nvm_prompt_info)›%{$reset_color%}'
+
+local jenv_java=''
+jenv_java='%{$fg[blue]%}‹$(jenv_prompt_info)›%{$reset_color%}'
+
+local git_branch='$(git_prompt_info)%{$reset_color%}'
+
+PROMPT="╭─${user_host} ${current_dir} ${nvm_node} ${rvm_ruby} ${jenv_java} ${git_branch}
+╰─%B$%b "
+RPS1="${return_code}"
+
+ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg[yellow]%}("
+ZSH_THEME_GIT_PROMPT_SUFFIX=") %{$reset_color%}"
diff --git a/tools/check_for_upgrade.sh b/tools/check_for_upgrade.sh
index 4a0803210..b2b356e0c 100644
--- a/tools/check_for_upgrade.sh
+++ b/tools/check_for_upgrade.sh
@@ -22,8 +22,6 @@ if [[ -z "$epoch_target" ]]; then
   epoch_target=13
 fi
 
-[ -f ~/.profile ] && source ~/.profile
-
 # Cancel upgrade if the current user doesn't have write permissions for the
 # oh-my-zsh directory.
 [[ -w "$ZSH" ]] || return 0
diff --git a/tools/install.sh b/tools/install.sh
index a53ac48ab..69213d4a3 100755
--- a/tools/install.sh
+++ b/tools/install.sh
@@ -10,7 +10,7 @@ if [ -d "$ZSH" ]; then
 fi
 
 echo "\033[0;34mCloning Oh My Zsh...\033[0m"
-hash git >/dev/null 2>&1 && env git clone https://github.com/robbyrussell/oh-my-zsh.git $ZSH || {
+hash git >/dev/null 2>&1 && env git clone --depth=1 https://github.com/robbyrussell/oh-my-zsh.git $ZSH || {
   echo "git not installed"
   exit
 }