Added version helper.
Added image helper.
Added more methods to RequestHelper.

Added also references to Web API's assemblies.
Added response helper.

Also added more references to Web API's assemblies.
Added mail helper.
Added encryption methods using the Data Protection API (DPAPI).
Added registry helper.
Added hash methods for CRC32.
Minor re-fractoring.
Added methods for Rijndael (a symmetric key encryption algorithm).
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