Version 0.4
o added 'doc' makefile target for coherency and ease of use
o fixed nmake buildfiles and configure.bat (were out of date and wrong)
o test suite clean up (GNUmake, BSDmake):
  target "config" modified, phony without dependencies to other builds
o bugfix: GNU fastcall calling convention for float and double arguments
  was wrong. no skip of register.
o update: x86win32* suite tests are built on cygwin now, added total result output
o signature types change:
  C Strings: 'S' -> 'Z'
  long: 'l' -> 'j'
  long long: 'L' -> 'l'
  added unsigned integer type signature characters: upper case encoding  
o added: callbacks component (support only for some platforms ATM)
o added: test cases for alloc_wx, thunk
o updated Documentation

Version 0.3
o added Linux PPC32 support
o added ARM THUMB mode support
o cosmetic changes, documentation updated
o bugfix: on cygwin exported C symbols in GNU as are prefixed with '_' now.

Version 0.2
o added scons build support
o configure variables all prefix CONFIG_* now
o configure variable INSTALL_DIR changed to INSTALL_PREFIX
o configure (shell version) option "--prefix" changed to "--prefix=<path>"

Version 0.1:
o initial release
