Added user profile and getsitecollection methods
Added TenantExtensions Tests
Removed unused usings
fixed missing json.net reference
Merge pull request #217 from erwinvanhunen/CoreUpdates

Core updates
Update readme.md
Update file upload to detect changes and folder creation with a path ensure function
Add methods for provisioning from an Elements XML file (containing a Module of file references)
Merge pull request #219 from sgryphon/Provisioning

Provisioning files based on teh module element in element.xml files
Fixed Add-SPOField and added new cmdlet
Merge pull request #220 from erwinvanhunen/SPOFieldFixes

Fixed Add-SPOField and added new cmdlet