Command-line interface for maintenance of the cgp package.

$ python -m cgp
usage: python -m cgp [-h] [--clear-urlcache] [--clear-cellml2py] [--clear]

Command-line interface for maintenance of the cgp package.

optional arguments:
  -h, --help         show this help message and exit
  --clear-urlcache   Clear web service cache
  --clear-cellml2py  Clear cache of Python modules autogenerated from CellML
  --clear            Clear all caches
Merge branch 'master' of github.com:jonovik/cgptoolbox