Remove coveralls token

fix testing error throwing

Fix/ownable error - Silent transferOwnership Failure

Minor coverage maintenance

Tests refactoring and typo fixes

Test if unpause prevents events allowed in paused state

Refactor test script

- fix status code (script exited with success even with failing tests)
- clean up and explain things

changed instances of uint to uint256

Fix ident on github

Fix ident github

Fix ident on github

Change the name of the function in the docs to the actual name in the contract source To prevent misunderstandings.

Added Constant to SafeMath functions as they don't modify storage