[LEN] to [static LEN] on some function parameters Also add STATIC_ARRAY macro to hide it in c++ compilation.

liblib: Added a common API for accessing all hash methods.

Changed .h ifdef/defines to use <NAME>_H format. --HG-- branch : HEAD

Added MD5_RESULTLEN macro. --HG-- branch : HEAD

Naming style changes, finally got tired of most of the typedefs. Also the previous enum -> macro change reverted so that we don't use the highest bit anymore, that's incompatible with old indexes so they will be rebuilt. --HG-- branch : HEAD

size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more C99-like. --HG-- branch : HEAD

Replaced the MD5 implementation with Solar Designer's. --HG-- branch : HEAD

Initial revision --HG-- branch : HEAD