Spelling typos fixed.
Sandcastle project added.
Improved comments on CollectionExtensions class members.
Improved comments on all previously commented classes.
Unit tests for Option<T> moved to single file. Argument unit tests checks for expected exception messages.
SetDefault() methods implemented on the RouteExtensions class.
SetDefaults() method implemented on the RouteExtensions class.
SetConstraint() method implemented on the RouteExtensions class.
All occurrences of the lists of key-value pairs replaced with lambda equivalents. ExtensionsHelper renamed to ControllerHelper.
SwissKnife.nuspec added.
SwissKnife.Web.nuspec added.