Turn#direction rename and Push-XML fix

• Turn#direction was renamed to Turn#turn_steps to make clearer that the value should be a number, not a Direction instance.
• Converting a Push instance to XML now generates a correct direction attribute value.

Fixed deceleration bug

Negative acceleration did not reduce players coal.

Documentation fixes

v0.3.2

Version 0.3.2

Bugfixes

• Fixed bug: Coal was not read from server-XML (thanks to wollw!)

Bugfixes

• Fixed bug where wrong (old) method getMove was called, the new name is
  move_requested
• Improved end game handling

Mississippi Queen

This is the first working version for the Mississippi Queen game.

Bugfix reservation ID

v0.1.5

Version 0.1.5

Reservation IDs

Client now works on contest system, where reservation IDs are used.

Fixed makeClearBoard

v0.1.3

Version 0.1.3

Bugfixes

• Fixed bug in == (test for equality) method of connections (thanks to
  wollw!).
• Fixed link in readme to code of conduct.
• Removed trailing whitespace.