- Fixing or improving documentation.
  - Improvements to Maven configuration.

Guidelines for any code contributions:

  1. Any significant changes should be accompanied by tests. The project already
     has good test coverage, so look at some existing tests if you're unsure
     how to go about it.
  2. All contributions must be licensed Apache 2.0 and all files must have a

--the fire-irons came first; then followed a shower of saucepans,
plates, and dishes.  The Duchess took no notice of them even when
they hit her; and the baby was howling so much already, that it
was quite impossible to say whether the blows hurt it or not.

  `Oh, PLEASE mind what you're doing!' cried Alice, jumping up
and down in an agony of terror.  `Oh, there goes his PRECIOUS

--the fire-irons came first; then followed a shower of saucepans,
plates, and dishes.  The Duchess took no notice of them even when
they hit her; and the baby was howling so much already, that it
was quite impossible to say whether the blows hurt it or not.

  `Oh, PLEASE mind what you're doing!' cried Alice, jumping up
and down in an agony of terror.  `Oh, there goes his PRECIOUS