2012-03-28 (0.0-4) Marcos Prates <marcosop@est.ufmg.br>, Aldo Garay <amedina@ime.usp.br> and Victor Lachos <hlachos@ime.unicamp.br>

	* improve functions making them more stable

2012-03-28 (0.0-3) Marcos Prates <marcosop@est.ufmg.br>, Aldo Garay <amedina@ime.usp.br> and Victor Lachos <hlachos@ime.unicamp.br>

	* fix the title in the description

2012-03-27 (0.0-2) Marcos Prates <marcosop@est.ufmg.br>, Aldo Garay <amedina@ime.usp.br> and Victor Lachos <hlachos@ime.unicamp.br>

	* first public release
