- fix weird C sharp behavior about calling FreeNativeData without calling ManagedToNative, which cause segment fault.
- disable unhandled exception handler in debug mode for BMap.
- change all associated code involving these issues.
- send message in console if PyBMap fail to load native dynamic library. this is good for user experience.
- remove snippet from BMap bindings generator. We now insert generated code manually.
- fix C sharp code generation issue in BMap bidnings generator.
- add some content for BMapSharp.