Golang WURFL api v1.30.3

• code examples
• better wording for godoc

Golang WURFL api v1.30.2

• removing deprecated GetCapabilities() and GetVirtualCapabilities from tests
• more idiomatic test code (use asserts)
• removing unnecessary or old tests

Golang WURFL api v1.30.1

• tests and styles fixes
• Download() removed from interface
• use semantic versioning
• remove unnecessary comments
• remove deprecated code tests

Golang WURFL api v1.30.0

• first public version