store all temp files under ctree directory
cleanup and enable OclDoubler as test
serial cpu version of Distrib works
added omp nodes for sections
Added a CtreeTest subclass of unittest.TestCase that implements a
routine to check strings or ASTs and print their diff if they
differ.
Blocks don't need trailing semicolons
auto generate omp section code
working on new type handling
got numpy working with new types
got pointers working in new type system
getting tests to pass again
get arraydoubler working again
first few examples work
all tests pass
cleanup print stmts