Fixed install script's find bash file.

- Was previously using cut. Output was different depending on OS X vs linux.
  Looks consistent with awk.
Removed some stuff from the install header.
BUGFIX: Fixed zsh pre exec and cmd hooks

- Needed to put them in parens :/
Converted bashhub.py to use ClickCli
Changed bashhub scripts to use new session stamp
Fixed an error with zsh and the local command