refs #41: refactor and started using spans inline instead of divs
refs #43: switched to using lxml
refs #43: udpated the reqs
refs #43: got the last of the failing unit tests passing
refs #43: Big refactor. Moved all the new lxml parser to its own file.
refs #43: No longer storing on attrib, storing on a global dictionary now
refs #43: Refactor to no longer need the subclassed parser
refs #43: switched to using cElementTree
refs #43: no longer need lxml
refs #43: small refactor, no longer skipping the test that use to take
so long
refs #43: change log and updated readme
refs #43: removed a dead print statement
Revert "refs #41: refactor and started using spans inline instead of divs"

This reverts commit 4ff701dd18ccc31ea452e03e6af2ab59bfc210c7.
Merge pull request #43 from OpenScienceFramework/issue_43

Switch to using cElementTree for performance