Fixed a small bug in the multiline response class
Created the capabilities command
Added the psr/log requirement
Another clean
Created the response classes (with tests)
Created the Connection class
Fixed CS
Added tests for the Connection class
Created the test for the capabilities command
Changed the command test a bit
Defined the command interface
Added a use statement to the command interface
Changed the test case for the capabilities command for a bit
Created the capabilities command (passes tests)
Fixed CS
Extracted some code for commands
Changed the iteration handling
Fixed the capabilities command
Added the get/set connection methods
Added response code constants