Revert "Testing src with /"

This reverts commit 138f10e981243ad3653998a7bfb00cccf1936d41.
Revert "Forgot to update the version."

This reverts commit 21c5eaf11143b7a8b0d5904311280647dc7d46f3.
Revert "Moving source to src dir to add a tests subdirectory for PHPUnit"

This reverts commit ea45c4c52306acbfcf8ffb7d8c47dcf0ab61b7e0.
Adding PHPUnit Test bootstrap
Incrementing version to 0.1.5