Divisibleby filter

Added Divisibleby filter by joswide
Added ability to force method generation with foo.bar()
Add arguments
Added 'json' filter
Support arrays of directories as paths

Haanga will now support multiple directories as templateDir, and will search at run time to load the template
Fixed iterating over an object with foreach
Merge pull request #23 from garygreen/develop

Fixed iterating over an object with foreach
Fixed #25
Fixed #24

Added tests
Issue #14 seem fixed
Merge pull request #13 from joswide/master

divisibleby filter
Merging pull request and fixed #10
Merge remote-tracking branch 'origin/master'
Merge branch 'develop' of https://github.com/Ossus/Haanga into Ossus-develop

Conflicts:
	lib/Haanga/Loader.php
Merge branch 'master' into develop
Added test for #11 (which seems fixed)