Refs #100. Switched assertion to use keyword arguments
Refs #100. Rewrote the ZipFile building to do it in memory instead of needing to use the filesystem
Refs #100. Removed obsoleted fixture files
Refs #100. Added a failing test case
Refs #100. Added a second test case for anchor
Refs #100. Fixed the bug by using a direct xpath
Refs #100. Updated the README
Refs #100. Fixed a broken link
Refs #100. Added a note regarding semantic versioning
Refs #100. Replaced a test case
Refs #100. Removed a no-longer necessary test case
Refs #100. Updated test case
Refs #100. Converted a test case
Refs #100. Converted test cases
Merge pull request #100 from kylegibson/issue_100

Image size not correctly calculated