Merge branch 'master' into refactor/alias-finder

plugins/alias-finder/alias-finder.plugin.zsh

@@ -33,6 +33,10 @@ alias-finder() {
     # make filter to find only shorter results than current cmd
     if [[ $cheaper == true ]]; then
       cmdLen=$(echo -n "$cmd" | wc -c)
+      if [[ $cmdLen -le 1 ]]; then
+        return
+      fi
+
       filter="^'?.{1,$((cmdLen - 1))}'?=" # some aliases is surrounded by single quotes
     fi