Some work on adding collection classes
Make internal properties private
has_many returns a PodioCollection which implements iterator and array access interfaces. Still missing documentation, updated examples etc.
Some tests to get us started
Update PodioItemCollection.php

classname in is_a() must be a string
Update PodioItemFieldCollection.php

classname in is_a() must be a string
Merge pull request #44 from RamiroHammen/patch-2

is_a takes string input
Merge pull request #43 from RamiroHammen/patch-1

is_a takes string input
Last is_a problem
Add some function documentation
Add more tests
Placeholders for PodioObject tests and add travis config file
Add one test to make phpunit stop complaining
Better fixtures and a few more tests
Adding kint for debugging. Still a bit messy
Handle GET/DELETE urls with options properly.
Don't loop over empty call log
Adding some PodioObject tests
More PodioObject tests
Add getters for properties and relationships