rename tests should display error message 'Year should be a number'
added tests for getDMYFromCoordinate
added example for tests
added data for isLeapYear validation
added more data for isLeapYear validation
added tests for getCoordinateFromDMY
improved names
Add scripts for running BL and Unit tests
Merge pull request #283 from a-chumagin/master

Unit tests for cz.dates