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

Conflicts:
	Terraformer/TFPoint.m
Merge pull request #17 from poeks/master

MultiLineStrang
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Terraformer.xcodeproj/project.pbxproj
Merge pull request #19 from mbcharbonneau/master

Mutli-polygon methods + tests
Beginning of Geojson abstraction
LineString and Point and their Multi- counterparts with GeoJSON encode/decode separated out and tests passing.
Separate out GeoJSON from TFPolygon
Refactor GeoJSON stuff out of MultiPolygon
Feature refactor
FeatureCollection refactor
GeometryCollection refactor
Add tests for all of the example data files.