Move core functions to their own file at ./libexec
An extremely insignificant update to .gitignore
Rename GPLv2 file
Add mph version file and documentation draft
Add mph meta-module
Improve Core functions

- Rename function include() to import()
- Create function _warn()
- Standardize import error messages
- Standardize some notations (we will always use '[]' and 'source')
Minor updates on main binary
Update test #0001