use POST instead of GET for HTTP requests
data needs to be encoded
Add append_track_charge method to person.rb
Add a test for append_track_charges
update CHANGELOG and bump version
Convert Time objects to integers for mixpanel consumption, also test #properties_hash a little.
Since time now gets converted to an integer, the queued event tests need to be updated, while I'm at it lets update mixpanel_queue_should_include to also check the event type
Stick with hashrockets as ruby 1.8 needs them
Test and support ruby 2.0.0
Merge pull request #120 from reconbot/time.to_i

Time.to_i
Merge commit '4a94f0aa29425cd56391c9ab3d136cabf12da0a4'
Merge commit 'b5ded6032c7966e7e9a089b4122549bd2c3494a1'
Merge pull request #110 from kitop/master

Test against ruby 2.0.0
update changelog and bump version
Merge branch 'master' of git://github.com/mrbrdo/mixpanel into mrbrdo-master

Conflicts:
	lib/mixpanel/event.rb

Solved with a spec failing.
avoid JSON.parse exploit in subproccess spec
update changelog, bump version