Added `emulate -LR zsh` to most functions (will cause breakage)
Changed chpwd function namespace to chpwd
Made option parsing vastly more efficient
Simplified logic in parser
Switched from regex to shell patterns in parser
Improved the expansion of aliases on return
Added go to list of unexpanded aliases
Merge branch 'feature/local_env' into dev
Merge branch 'feature/parser_refactor' into dev
Merge branch 'feature/chpwd_refactor' into dev

Conflicts:
	modules/20_chpwd.zsh