added expanding tests file
Merge branch 'development' of https://github.com/Sitefinity/feather into expandingTests
Merge branch 'development' of https://github.com/Sitefinity/feather into expandingTests
Added test for constructing flat collection into tree
Merge branch 'development' of https://github.com/Sitefinity/feather into ExpandingTests
Included test files in the project
Merge pull request #76 from Sitefinity/ExpandingTests

Expanding tests