Merge tag '0.2.2' into develop

0.2.2

* tag '0.2.2':
  Prepare release; Bump version and update changelog
:memo: edit
Updated to PHPUnit 4.4.0

* Added `assertArraySubset` method
Prepare release 0.3.0; Bump version and update changelog
Merge branch 'release/0.3.0'

* release/0.3.0:
  Prepare release 0.3.0; Bump version and update changelog
  Updated to PHPUnit 4.4.0
  :memo: edit
:bug: Fix completions shouldn't trigger in a declaration context e.g. class a|
:bug: Fix completions shouldn't trigger in class constant context e.g. self::|
Prepare release; Bump version and update changelog
Merge branch 'release/0.4.0'

* release/0.4.0:
  Prepare release; Bump version and update changelog
  :bug: Fix completions shouldn't trigger in class constant context e.g. self::|
  :bug: Fix completions shouldn't trigger in a declaration context e.g. class a|