Improve stringFromSource to use the NSData+NSInputStream category.
Merge pull request #226 from dgileadi/2.x

Improve stringFromSource to use the NSData+NSInputStream category.
Create a test bundle.
Implement retain-release tests for the iOS framework
I forgot how to manage memory manually.
Merge pull request #227 from MaddTheSane/tests

Add test cases via XCTest
Merge pull request #2 from SVGKit/2.x

Merge remote