2.8.4

Full Changelog: 2.8.3...2.8.4

refactor(zshbop): Refactoring and clean up of old functions
refactor(zshbop): More refactoring of code, renaming and removing of unused code.
fix(zshbop): typo :(
improvement(zshbop): Improved zshbop branch command
feat(git): Created function gl for git log
refactor(zshbop): Changing variable ZSHBOP_CUSTOM to ZSHBOP_CUSTOM_CONFIG
fix(zshbop): Major bug with loading zshbop, retrieving version number and setting $ZSHBOP_ROOT variable