If-then-else does not work properly
add "subscript syntax" support for accessing attributes
Merge pull request #34 from gitblit/ifthenelse

If-then-else does not work properly
Merge pull request #36 from gered/master

Fix for issue #34 and a NPE issue in if/elseif conditions
Merge pull request #37 from gered/subscript-attribute-syntax

Add "subscript syntax" support for accessing attributes