Add clear and push operator to array type ==>
Reset variables in a block on second run to fix struct constructor
problems in loops.
Fix re-use (reset) functionallity for arrays.
Remove unused string in regular expression engine.
Fix memory errors where many loop didn't check for NULL (unset) array
values.
Create defined operator to check for empty array values.
Fixed defined operator for array to make it actually work. Update test
files.
Create initial files for having the documentation from docbook
implemented on the web page.
Update documentation with new operators 'defined' and '==>'
Merge pull request #34 from atlesn/master

Array fixes