Add the VariableReference class and several regular expression pattern constants to the UriTemplate class
Initial UriTemplate implementation, with unit tests for templates level 1-4
Updated ToString implementations to support .NET 3.5
Define the NET35 preprocessor symbol for the .NET 3.5 build
Add extended tests
Combine UriTemplatePartQueryContinuationExpansion and UriTemplatePartQueryExpansion
Combine UriTemplatePartReservedExpansion and UriTemplatePartSimpleExpansion
Merge pull request #1 from sharwell/initial-impl

Initial implementation