Add multi polygon class, private methods to polygon.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Terraformer.xcodeproj/project.pbxproj
Polygon equality helper methods.
Point within polygon test passes!
Merge remote-tracking branch 'upstream/master'
Fix build warning.
Test polygon with hole.
Add comments to the containsPoint: method.
Merge pull request #16 from mbcharbonneau/master

Check if a point is within a polygon, helper methods.
Add methods for multi-polygons.
Test multi-polygon init, fix a multi-polygon init bug.
MultiLineString class def
removing sorting stuff for now
Test insert, remove polygons.
Merge pull request #15 from jyaganeh/master

MooltiPoint
Merge remote-tracking branch 'upstream/master'
Add NSNumber test to isXYPair
Merge branch 'master' of github.com:esripdx/terraformer-objc

Conflicts:
	Terraformer/TFPoint.m
start on toMercator and toGeographic
add casts to get rid of warnings