* Support built-in maps. * Support maps as arguments of a function. * Support python dictionary as function parameters. * Add 'maps' test
* Pass hi.go * Support unnamed types.
* Pass 'named.go' test. * Support to generate named type includes slice and array types. * Add doc.go for bind package. * Add comments. * Support __iadd__ for Go slice types. * Add a 'seq.go' test for the CFFI engine.