properties create their constraints themselves
added classes Model::Constant, Model::DefaultValue, Model::ConstantDefaultValue
added Model::LiteralDefaultValue
added Model::LiteralDefaultValue
added defaults
added Model::AutomaticDefaultValue for defaults generated by the storage system
added default sorting hint
added dnasysgenmodel and derived MetaModel from new class ProjectFragment
added RelationalDataType and RelationalModelFragment
added SqlDataType
added Constant, Schema, SchemaFragment
fixed brainos
added PrivateApiSchema, ApiSchema, Extension
added class DataSchema
added Tabloid
savepoint
added dnasysgengenerator
added dnasysgenrelationalgenerator
started to create relational model from domain model
added mapping