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Merge pull request robotpy#78 from robotpy/more-madness

More madness

Merge pull request robotpy#74 from robotpy/constexpr-fn

support constexpr functions

Merge pull request robotpy#71 from davidcaron/add-access-property-to-…

…using

Add access property to 'using' CppVariable

Merge pull request robotpy#67 from Erignik/fix_function_point

Add function pointer parse.

Merge pull request robotpy#64 from wflohry/sameid

Fixing type reference to self

Merge pull request robotpy#62 from robotpy/typename

Various fixes for 'using'

Merge pull request robotpy#60 from robotpy/clear-template

Clear templates after using them

Merge pull request robotpy#59 from robotpy/compound-ns

Support compound namespace declarations

Merge pull request robotpy#58 from robotpy/fwd

Resolve forward declared variables correctly