add Floats.{ceil,floor} for more precision rounding
Merge pull request #15 from bigmlcom/master

Add Floats.floor, and Floats.ceil
get rid of the IThis implementation, use the _that pattern used in dhx
Merge pull request #16 from bigmlcom/master

Get rid of IThis pattern, use the _that() pattern
Merge branch 'master' of https://github.com/fponticelli/thx into haxe3