Use XCTest. Other minor improvements.
Reorganize file structure
Add proj
Prefix methods
Add LICENSE
Split out tests
Reorganize test files
Change class prefix to BBS
Use NSError instead of BBSZLibError
Whitespace fixes
Configure for analyzing
Add podspec
Improve error handling
Improve variable naming
Add documentation
Add separate test target for iOS
Add README
Add Travis CI
Update podspec
Update README