renamed Monomial. First stage in transitioning to sympy
changed StdPoly to be initialized by a sympy expression
rewrote StdPoly to contain a standard poly and not just a monomial
renamed negate(), order() and sumSameTerms() to neg(), degree() and __add__()
changed isZero() and isOne() to fields is_zero, and is_one
turned StdPoly into a subclass of sp.Poly
changed some methods to boolean fields to match sympy style
wrote some notes and misc stuff