Fixed SBML RSpec
updated README
Fixed SBML note writing
Merge branch 'master' of github.com:pkrusche/sassy-helpers
C++ output format added
added support for writing vfgen files (see http://www.warrenweckesser.net/vfgen/)
added unparameterize feature to replace parameters by their numeric values
Allow floor as reserved function name in Equation class
Version 0.0.2: added documentation