Defined a contract for SQL Integrator
added structure of SQL Integrator
Added test case for connection success
Added test case for connection success
Added test case for valid and invalid command type
Added separate SQL database class and test cases for the same
Added implementation for connecting and calling SP
Completed implementation for sql integrator
Merge branch 'master' of https://github.com/TaviscaSolutions/lucy
Merged the code in master
completed implementation of sqlIntegrator
Merge branch 'master' of https://github.com/TaviscaSolutions/lucy