* OMB - Major Refactor
- Aliases and completions now works like plugins (need to enabled in .bashrc)
- Removed the compatible check in spectrum.sh, OMB now works with Bash v3.x like the old days.
- Removed core plugin, added those bash functions into base.sh and load during startup.
- Updated OSH template for new installations
- Added history config and few other stuff from #17
@TODO: Added a shell script to update old version of .bashrc to new one.
* Fixed ShellCheck issues
* Fixed ShellCheck issues
Since spectrum.sh was copied from zsh, the typeset -A used is zsh specific and in bash4, it is declare -A. I've fixed it and I've added a check to error out with a readable message, in red color, to tell the user to upgrade bash.
