Strip quotes from version
Add long_description to setup.py
Update CHANGES.txt
Bump version to 2.1.0.2
Modify Travis-CI notifications email.
Allow xsi:type on VocabStrings to be a unicode literal. Fix #158
Create MANIFEST.in. Fix #159

[ci skip]
Add WinFile test
Add abstract types to File Object
Finish Implementing ExtractedFeatures. Fix #60
Convert ExtractedFeatures to TypedFields
Added parameters to Observable.__init__(...). Changed behavior of idref and id setters so setting one unsets the other.
Add tests and fix logic for when apply_condition is output
Fix delimiter output in VocabStrings
Initial commit of PDF file object
Removed some extraneous imports
Updated NS_LIST to account for addition of PDF File Object
Fixed typo in element name in PDFFileMetadata
Fixed typo in element name in PDFFileMetadata
Bumped up version 2.1.0.3