Merge pull request #5 from MadMG/master

The 'populate' function returns NULL if a wrong namespace is given
Update package.json
Update package.json
Merge pull request #6 from MadMG/master

Add possibility to handle child model-descriptions recursively
[DOC] Updated ReadMe to reflect the breaking changes in "reserved word" naming convention.
[DEV] Version bump to v0.2.0, added "bugs" directive (package.json)
[DOC] Updated ReadMe