For #160, Added guid and timestamp as dynamic variables
For #160, Added sample random int function
Fixed bugs with file writing and collection/folder editing
Added jquery.simulate plugin file
Fixed request sorting after adding a new request
Fixed issues with adding/deleting from collections
Added basic test for adding a folder
Added basic tests for editing/deleting folders
Test for rendering imported collection with folders
Test for rendering collection with folders and requests
Tests for moving requests between folders and collections