Fixed the read beyond the limits of data file.
Merge branch 'master' of github.com:ContinuumIO/blaze
Fixed a problem with the counter of elements read
Fixed a problem with reverse loop counters
order for DTW is an int, not intp.  With this fix I can already reproduce the original results (but 2x faster)
Added Cython optimization directives.  Not a lot of speedup detected though.
Applied the iverse of division optimization.  Another 10% of speed improvement is achieved.
Another inverse of division optimization.  Got an additional 20% of speed improvement.
Enhance visitors and implement transformer
Allow child deletion in transformers
Support translators to allow graph mutation and convenient exterior graph building at the same time
Merge pull request #4 from esc/master

add direct link to blaze-dev mailinglist on google groups
Finish mapping graphs, need type inference in blaze graph
One convention for unknown nodes.
Merge branch 'master' of github.com:ContinuumIO/blaze
Revert visitor changes.
Work on on-demand propagation of types through the blaze graph
Work on making annotations an attribute instead of an aterm parent
Refactor classes to remove inheritance.
Preparing for execution