v1.5.2

1. Make python 3.x compatible. Still works with python 2.6 and python 2.7.

2. Add .dylib parser for Darwin

3. Fix some unit tests

4. workaround for problem with boost >=1.54

5. Simpler way of checksumming files in a python 2 and 3 compatible way

6. Prevent warnings to be treated as fatal errors in py++

7. "has_inline" property was added to declarations.calldef_t class.

8. Thanks to Aron Xu, for pointing out that it is better to use "os.name",
   instead of "sys.platform" for platform specific logic.

9. "__int128_t" and "__uint128_t" types were introduced. Many thanks to Gustavo Carneiro
   for providing the patch.