RELEASE - OASA 0.12.1
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 * bugfixes - coords_generator - coordinate generation obeys E/Z stereochemistry
   	      		       	 even for branched structures
   	    - cairo_out - charges should no longer shift placement of atom symbols
	      		- H2N (hydrogen before atom symbol) should be placed properly
			- bonds that have exactly 45 degree angle should no longer disappear

 * enhancements - cairo_out - more elaborate algorithm is used to decide
   		  	      about centering of a double bond

 * acknowledgments - Noel O'Boyle - for merciless bug hunting
 

RELEASE - OASA 0.12.0
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 * first public release