Improved logging (including message for security demand)
Misc code clean-up
Added a couple Try blocks to make load more robust
More UnitTests
Related to https://github.com/TeamMentor/Master/issues/844
Removed Serialization Tag from TM_SecretData objects
Adding 'Text' tags to Edit_SecretData
Fix for https://github.com/TeamMentor/Master/issues/844