making version 2.7 from original 3.x
import print from future
change range to xrange
working through 3->2 conversion
fixing imports, etc
Fix some issues with config parser
renamed ctree.ast to ctree.nodes
do not have access to returns of func in 2
config accessor different
one skip
 nosetests now passes
Fix types ArrayRef duplication
Fix compare test duplication in test_types
reformat ctree package
reformat test package
reformat examples package
changes to support Python3 simultaneously