Elastic 2.0 Changes
Simplified syntax
	auto-columns => columns
	two-columns, three-columns, four-columns => 
	number of columns => on-#
fixed columns bug
fixed equalized-height refresh bug
fixed printing(still some rules apply but works when followed)
fixed span-# bug when there is one one column
fixed pixel rounding bug when having many columns(now it gets computed fine)
changed span-# now if # is grater than the row it gets setted to the columns per row(it was some serious punishment)
improved engine performace
improved helpers performance
improved pixel rounding algorithm
added support for elastic-height
added support for adaptive-#-# columns
added support for layouts position-x : display x
added support for final on column