Resolved potential null reference exception.
Merge pull request #146 from MindscapeHQ/WinRT-fixes

Resolved potential null reference exception.
Always listen to Error, even after adding filter.
Avoid doubling up exceptions.
Unit tests for preventing double send.
Version bump.
Don't send the sent flag.
Set the flag after calling send.
Merge pull request #147 from MindscapeHQ/Error-filter-adjustment

Always listen to Error, even after adding filter.
Added additional Raygun settings.
Added additional Ignore* RaygunClient methods.
Pass ignored lists to RaygunRequestMessage and support * for ignore all.
Relocated the RaygunRequestMessageOptions class.
Unit tests.
Increase the major version.
Deleted all obsolete methods and properties.
Obsolete methods for version 3.
Support regular expressions to ignore form data, headers and server variables.
Support regular expressions to ignore cookies.
Removed pointless obsolete members.