Split out bullet into separate class
[fix] updated template
[testfix] Made tests pass with updated schema / namespaces :D
[fix] Added numbering.xml file to Content_Types so Word doesn't hate the output file
[fix] Gave word count a default value of 0 so Word doesn't say the file is corrupted :P
[skip] Extracted template file list building to method
[refactor] Refactored document part methods to use method_missing
[refactor] Altered element classes to_xml methods to use with_namespace
[feature] Added title method
[skip] use namespace instead of @namespace in XmlRenderer