libco 0.2.0
	- now officially standalone project
	- new code preprocessor: copp
		- new ID model
		- new method definition style
		- new message handler
	- improved co_m_v performance - no more COX_TRY block there
	- improved packaging
		- removed intl/
		- upgraded to gettext 0.11.5
		- fixed libltdl problems - ltdl.[hc] is now included in libco if
		  needed
	- prepared to import into platon cvs

libco 0.1.8
	- each error (exception) code can associate error description string
libco 0.1.7
	- separate package (was part of tucniak release)
	- minimal gettext support

---- old versions ----
these come from time, when libco was part of tucniak release; parts unrelated
to libco were deliberately stripped (you can find them in old tucniak-0.1.6
release)

tucniak 0.1.5
	- testsuite works again
	- one more overhaul of libco
	- improved stability
	- throws out-of-memory exceptions on rand () basis :-) (for testing)
tucniak 0.1.4
	- implemented CSEH in libco
	- new object in libco: co_vector (it is barely tested and still unused)
	- internal rearrangings in libco
	- many important bugfixes (in libco and elsewhere)
	- started big reformatting of code
	- disabled testsuite for this release (it is partly out of date)
tucniak 0.1.3
	- regression test suite
	- improved ISO C99 (standard ISO C from year 1999) compatibility
	- libco has new type/action/event id handling
tucniak 0.1.2
	- new library - libco - with new object engine