autopep8 --ignore=E501 fixes. Marginal improvement.#180

Merged

CamDavidsonPilon merged 3 commits intoCamDavidsonPilon:masterfrom

eli-b:chap3-style

Feb 14, 2014

Commits on Feb 8, 2014

autopep8 --ignore=E501 fixes. Marginal improvement.
eli-b
committed

Commits on Feb 9, 2014

Merge remote-tracking branch 'cam/master' into chap3-style
eli-b
committed

Commits on Feb 10, 2014

Ending code cells with a semicolon.
eli-b
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