Add injectable LoaderInterface, AbstractLoader and default concrete loader, FilePostContents
Add Curl, FileGetContents and Mock loaders
Modify tests to consume the Loader\Mock
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Merge branch 'UnitTest' of https://github.com/vinayganesh/SimpleFM into UnitTest
Merge commit 'eb7b435c6f9934655b4c932e5e543661fc688431' into UnitTest
Added CommandURLdebug unit test case