Merge pull request #4 from OfficeDev/master

Get Latest
removed reference to obsolete method CreateSite and replaced it with CreateWeb
1) created url utility mehod to ensure trailing slash
2) modified the DeleteWebPart and AddWebPartToWikiPage functions to work with subsites.
Merge pull request #5 from OfficeDev/master

Get Latest
Merge pull request #79 from vman/master

Extra Utility method, modified webpart functions to work with web relative url