Introduce runner for xquery main modules.
Fix building.
Move to new location.
Support context item declaration.
Closes #43 - KindTest elements in StepExpressions recognized as FunctionCalls (but should be KindTest).
Closes #34 - Introduce runner for xquery main modules.
Merge pull request #54 from mjedynak/master

added idea specific files to .gitignore
Fix failing build - no connectivity to xqj.net from cloudbees.
Closes #52 - Parser doesn't recognise attribute xpath axis.