Adding webforms site
Updating webforms  test site
Reformatting and bug fixing
More refactoring
Tidy up
Improved url security check
Fixes #32
No reason not to use Utc.Now
Added new percentile based cropping system
Recalculating crop
Added support for explicitly loaded IGraphicsProcessors
Fixing to integer regex
Rounded corners was calculating values at half.
Adding improved plugin and preset handling
Added restricted size functionality

TODO: Check this
Adding preset resize restrictions

Fixes #31
Fixing spelling
Tidy up
Further tidy up
Fixes small calculation issue in percentage-based cropping