BREAKING: Using .equalTo(<EdgeInsets>) will no longer multiply the constants on the right/bottom edge by -1. This does not affect .offset(<EdgeInsets>)
BREAKING: The constraint making chain now utilises protocols to tighten the API's to avoid user error. This may break some syntaxes.
BREAKING: Semantic and and with chain variables were removed
Ensure Swift 1.2 compatibility
Added a Snap.Config.interfaceLayoutDirection variable for richer Leading/Trailing support.
Fixed memory leaks that could occur on long lived views
0.9.x - March 2015
Re-worked some internal API to allow for future updates
Added snp_prepareConstraints -> [Constraint] which allows pre-building of constraints
Added a fatal error to and when it is used after relation has been set
