* refactor date, timestamp, datetime data-type
* reverse datatypes.test.js changes
* checking property.mysql.dataType
along with property.dataType for timestamp fields
* Fix PR linter
* moved test cases all under one test file
remove unnecessary test cases, unify setup procedures
* Fix sql mode before migration
Set sql mode to allow zero's on timestamp
Clean up code
* remove test cases with strings and DATE field type
* code cleanup as requested
* add accidentally deleted assert.ok(found)
* fix timeZone to timezone case in README.md
* Update readme with date type info