1.5
---
* 09.06.2017: Slow down laser base shot a bit.
* 09.06.2017: Limit the left and right borders so the aliens move
  down faster.

1.4
---
* 08.06.2017: Strip binary via install instead after linking.

1.3
---
* 07.06.2017: Enable 'make all'.

1.2
---
* 05.06.2017: Add option to display the high score list from the command
  line.
* 04.06.2017: Add play time to high score list.
* 04.06.2017: Add high score list feature which will be displayed at the
  game over screen.
* 04.06.2017: Add new game over screen.
* 03.06.2017: Show users login name at the score label and also save it
  to the score file.

1.1
---
* 01.06.2017: Fix potential segfault after game pause.

1.0
---
* 01.06.2017: Add missing 'silent' option to man page.

0.9
---
* 01.06.2017: Make game play a bit harder by adjusting speeds.
* 30.05.2017: Fix a bug where the laser base can't shot anymore after
  destroying an alien which just moves down by one line.

0.8
---
* 28.05.2017: Make code more portable.
* 27.05.2017: Code optimization.

0.7
---
* 25.05.2017: Add feature that sometimes a laser shot can destroy a
  missile or vice versa.
* 25.05.2017: Fine tune the game speed.
* 25.05.2017: Make the last alien move even faster.
* 25.05.2017: Fix bogus alien shot calculation logic which could lead to
  a situation where the aliens stop shooting at all.

0.6
---
* 23.05.2017: Enable mystery ship to randomly appear from the left or the
  right (before it did always appear from the right).
* 23.05.2017: Add feature as in the original game that when the mystery ship
  gets destroyed by first the 23rd laser shot and afterwards by the 15th
  laser shot you will receive 300 points.
* 22.05.2017: Enable an alien to destroy the laser base also when it is
  right below it (missile was blocked before).
* 22.05.2017: Add support for ten screens as in the original game.
  In each screen the aliens will start one line lower.
* 22.05.2017: Change the rule so that the game is immediately over when the
  aliens land on the floor (don't move on the floor anymore).
* 21.05.2017: Fix a bug that when an alien gets destroyed right above the
  players laser base, it won't get counted as such.
* 21.05.2017: Fix a bug where a players laser shot can eliminate an aliens
  missile when it is right above it.

0.5
---
* 21.05.2017: Add new '-s' option for silent mode.
* 21.05.2017: Man page: Change "display-based" to "curses-based" which should
  be more clear.
* 21.05.2017: Add dates for every change in this file.

0.4
---
* 19.05.2017: Fix various typos.

0.3
---
* 18.05.2017: Bump version.

0.2
---
* 17.05.2017: Add ChangeLog file.
* 17.05.2017: A new high score gets reached when the score is higher than the
  high score, not equal.

0.1
---
* 16.05.2017: Release initial version.