updated .gitignore
wip
re-added functionsh submodule
finished implementing pruning monomers from a polymer
- finished tweaking the pruning of monomer branches in a polymer
- finished initial conversion for re-merging a polymer
- added some helper functions and updated code as necessary
added pm_info
made some normalizing tweaks
implemented pruning/auditing of notebook
un-ignored .gitmodules (duh)