#92 custom IsBefore and spec
#fix up #92 and add #93 custom IsAfter and spec
#94 custom IsOn and spec
#71 start of fixing IsBetween date
#71 Fixed IsBetween date validator
#72 fix IsBetween numeric validator
#102 custom any and sepc
#104 custom None and spec
#99 custom IsEqual and spec
#100 custom IsNotEqual and spec
#102 custom IsNotNull and spec
Merge pull request #112
Added missing spec
Add gitattributes and convert french message
113 Start of removing some duplicate code in Condition Builder
#114 start of making message resolver customizable
#114 some minor refactoring
#115 start of customizable expression builder
#116 Remove direct calls to .Invoke and use ExpressionBuilder
Some refactoring.. Renaming and Exposing some configuration end points