2.9.2

Added API documentation. #445 #426
Fixed loading of kernel module handle when creating symbolic link in Windows. #448
Allow the ability to disable use of data descriptor. #440
Fixed bug saving file during erase when data descriptor not being used.
Don't set output name for cmd targets due to linker issues in VS.
Fixed compiler flags when using VS clang MSVC-like cmdline interface.
Fixed compiler warnings and updates to podspec.