Update a test case to use both map and function for `relatedModel`
Added a test case to demonstrate cycle save with custom serialization - discussion #51
Demonstrate polymorphic association + map - discussion #54
Modified to simplify discussion #51
Made test case variable local
always do `set` to existing nested collection : fixes #31
Add an extra type param to the map function
Re-work to remove mapper function to simplify scenario #51. Use option.merge = false instead
Refactor test case to demonstrate use of the new type param
Update map2models to use the new map signature + a test case to demonstrate usage - discussion #51
Beef up error handling to avoid issues like #57
Pass options to nested-change events - Issue #60
Fix for issue # 58
Merge remote-tracking branches 'origin/master' and 'origin/gh-pages'
Updated meta info in all web pages...