Change BigDecimal conversion to use the more expected canonical form
Fix DoubleModelValueTest
Prep 1.1.4.Final
Next is 1.1.5.Final
Next is 1.2.0.Beta1
Introduce public ValueExpression class and resolver; modify ExpressionValue to use this class
[DMR-1] Fix expression resolving with nested braces
[DMR-3] Validate boolean values
Prep 1.2.0.Beta1
Next is 1.2.0.Beta2