added support for floats
parsing complex stuff works
passing test
better complex number support
add complex test to gitignore
fix type generation for float32 and float64
test complex128
fix trailing spaces
made complex access lval
Merge pull request #29 from vectorlang/new_types

New types: floating point and complex
more general form of AssignOps using source transformation
fix shift/reduce conflict from ComplexAccess
get rid of redundant check on ComplexAccess
edit readme
Merge pull request #30 from vectorlang/assignops

More general form of AssignOps using source transformation
add symbol generator