Merge tag 'version/0.3.0' into develop

0.3.0
refactored parameter name
Added __getitem__ for Collection and updated test to cover new code
Added __getitem__ for HotItems and extra tests
Added a game with more plays so that the multiple page fetch code gets tested too
Added test for plays and thing
Added extra validation of parameters for PlaySession and allowing play date as string
It seems that some plays can have an invalid date "0000-00-00"
Initial support for searching
Added support for automatic request retrying
Merge branch 'release/0.4.0'
Increased default retries and timeouts
Merge branch 'release/0.4.2'