non-working compressed key
Merge pull request #2 from kconor/master

added vim swap files
small clean up of graphviz code
unit test of various transactions that are known to work or fail
unit test for drawing the output to graphviz
Merge pull request #3 from hackscience/brian-add-tests-to-drawing

Add a unit test for transactions that are known to pass or fail; clean up of drawing code and add unit test
functioning compressed keys thanks to pybitcointools
Merge pull request #4 from hackscience/pybitcointools

fix for compressed keys
more verbosity for test script
more opfns
removed confusing comments
added simple state machine to machine class for conditional execution.  May not work for nested ifs, depending on how bitcoin does it
arithmetic
Merge pull request #5 from hackscience/jhack

arithmetic
test suite with nose