Move constraint validation back into core
Refactor size constraints into validations namespace

constraint.core/size change to constraint.validations/min-size and
constriant.validations/max-size
Add type coercions into core
Add type coercions as argument
Add type coercion tests and fix nested coercions
Fix coercion tests
Fix JSON Schema size constraint error
Merge pull request #3 from listora/refactor

Refactor of validate/coerce