Sort Git conflict aliases
Update external history-substring-search
[Fix #422] Revert "Remove no longer necessary key bindings"

This reverts commit 3c5363ef9bcfda4cc5cd46ca85a7109f783c9539.
Set WORDCHARS in the editor module
Changed $PATH / $EDITOR
Colorful wel*cow*me message
Loaded some modules on .zpreztorc
Enabled highlighters
Enabled some highlighters
Add npm binaries to the path
Add python binaries to PATH
Add yt alias for youtube-dl
Add gemcd function
Alias man to support gem-man