version 0.5.9
        o  vector, complex updates
        o  spar.spec.in fixes
        o  other minor fixes in the module manager
        o  parser bugfixes

version 0.5.8
	o  C applications framework
	o  added formula sublibrary
	o  libtool versioning
	o  vector, poly, complex sublibraries updates
	o  added tests sublibrary
	o  modules updates
	o  documentation updates

version 0.5.7
	o  now spar library can be used with c++ compilers
	o  added formula sublibrary
	o  libtool versioning and fixes

version 0.5.6
	o  lib sources structure defined
	o  bool sublib 
	o  new header file sl_io.h (sl_input.h + sl_writer.h)
	o  "io" sub-library updated, "complex" sub-library bugfixes

	IMPORTANT NOTICE: if you have installed any previous Spar library, 
			  uninstall all file (by "make uninstall") before 
			  install. 
	
version 0.5.5
	o  API reference, FAQ, BUG-REPORT and man page updated
	o  added some examples (tutorial dir.)
	o  new math functions (sqrt, cbrt, fib, pow2)
	o  library updates (complex, vector, variable)
	o  variables deletion is no longer supported: too dangerous
	o  some other minor fixes in the parser

version 0.5.4
	o  major bug-fixes:
		o  systems without readline libs
		o  spar versioning
		o  function sl_variable_get 
		o  btree sublib
	o  sub-libs "writer" and "input" merged into "IO" 
	   sub-library (with the same header files)
	o  modules development improved and fixed
	o  text front-end improved and bugs were fixed 
	o  configure.in script improved and fixed
	o  math library extended

version 0.5.3
	o  this release includes only major bug-fixes: please upgrade your
	   spar installation with this one!! (see the Change-Log)

version 0.5.2
	o  spar library is completely modular (there is a sublib for each 
	   component of the library). This should aids the developers to
	   add source file and features in a more efficient way. 	
	o  modules manager improvements and some minor bugs (dlclose) where
	   fixed
	o  added isinf isnan finite functions
	o  RPM and SRPM packages

version 0.5.1
	o  sort library
	o  math library 
		o  some bug-fixes
		o  better configure.in compatibility
	o  some installation fixes
	o  many code cleanups

version 0.5
	o  new development series