- added countable to iterators

- updated phpdoc
- updated tests

- added check methods to Solarium_Version
- added new tests for Solarium_Version

- update client test for lazy loading

- fixed phpdoc 'licence' typo
- added phpdoc title setting

- updated phpdoc

- made readonly document really readonly
- updated test for readonly document
- fixed docblock in readwrite document

- updated ping response, querytime is not available
- fixed a documentation error

- altered code coverage reporting

- adjusted response handlers for the changes
- updated tests for the result objects