v3.0.0

Changes

• Rebranded back to AltaPay
• Corrected dependencies
• ResponseInfo::getRegisteredAddress() will now return null when no address was set
• Package content has been reduced in size

Fixes

• Errors will now be Altapay\Exceptions\ClientException instead of Guzzle exceptions
• Corrected some warning messages
• Corrected some types in code DocBlocks