doc updates and fixes
scripts and makefile to prepare a matlab package
doc fixes for matlab script
Makefile etc updates for matlab packages
README updates
packaging updates for matlab
matlab specific readme file
readme into root
more doc fixes
doc fixes, subsindex stub had wrong filename
doc updates
testing assumptions
document diff in our factor vs SMT
assumptions support: needs a special printer in SymPy
syms can print list of sym objects, stub assumptions method
assumtions command
syms can do assumptions and can list symbolic vars
drop sympy.abc
assumptions.m needs copy in @sym and outside
assumptions can return dicts, doc updates