first commit
change type field for data_type, created test of presence of name and data_type
added test of uniqueness of the settings
added validation test for data_type inclusion
added validation test for data_type inclusion
added validation for value to check data-type
added check is the value is a float
added check is the value is a boolean
added test for intenger data type validation
added test for float data type validation
added test for bolean data type validation
change output format of test
merging
merging