fixed bug in _find_M; rewrote _lift_to_OMS_eigen
Merge branch 'master' of https://github.com/roed314/OMS
More edits to _lift_toOMS_eigen
more edits on _lift_to_OMS_eigen
Merge branch 'master' of https://github.com/roed314/OMS

Conflicts:
	sage/modular/pollack_stevens/space.py
Merge branch 'master' of https://github.com/roed314/OMS