getName method

• Fix for getName() method

Persistent connections

• Fix for persistent connections

Convenience methods, Messages, Opcode filter etc

• Convenience send methods; text(), binary(), ping(), pong()
• Optional Message instance as receive() method return
• Opcode filter for receive() method
• Added PHP 8.0 support
• Dropped PHP 7.1 support
• Fix for unordered fragmented messages
• Improved error handling on stream calls
• Various code re-write

Connection closure

• Solve stream closure/get meta conflict
• Examples and documentation overhaul

Headers, stream close

• Force stream close on read error
• Authorization headers line feed
• Documentation

Ping/pong, persistent, opcode

• Ping/Pong messages handled internally to avoid breaking fragmented messages
• Fix for persistent connections
• Fix opcode bitmask

Logging, persistent connection, etc

• Dropped support of old PHP versions
• PSR-3 Logging support
• Persistent connection option
• TimeoutException on connection time out

Control frames, error codes

• Allow control messages without payload
• Error code in ConnectionException

Connection handling, ping-pong, close

• Implements ping-pong behavior
• Correct close behavior
• Various fixes concerning connection handling
• Overhaul of Composer, Travis and Coveralls setup, PSR code standard and unit tests

Stream context options

Adding stream context options (to set e.g. SSL allow_self_signed).