Reorganize project

…-python into development

Updating development branch with publishing fixes

Basic TWBX Support - LGTM

… from Workbook class

…pen the file directly from the zip instead of extracting multiple times

Added TDSX support and refactored Workbooks and Datasources to share zip-handling code

)

Fixes #42 #46 
* Initial attempt at enabling reading the columns from the datasource
* Fixing pep8 errors for EOFEOL
* Changing to OrderedDict for getting columns
* Add documentation for the various column attributes
* rename column to field
* Fixed #46 encode apostrophes in field names
* Enable multilook up for Fields
* Rename properties on the field based on feedback given in #45

* Adding contributing.md first draft

* Adding information about Issues, Feature requests, and PRs
Based on feedback from @lbrendanl

* Adding additional detail to the the feature PR section
based on feedback from @benlower

* fixing typo

* Get Fields Example Code

* Adding field count and numbering

* updating comment to be accurate

* Adding GetFields to travis run

* Updating to use enumerate to keep track of count

* Fixes #50 - materialize the properties for completion

This also fixes a bug where captions and aliases weren't being populated
into the multidict correctly due to insufficient testing on my part
originally

* fixing example to be correct

* really fix it this time

* Add docstrings for is_* properties

* Cleaner version of get for mld

* Move to is not instead of standard equality and fixed py3

* first stab at an API, not correct in retrospect
* Initial revision of api based on API discussions
* adding additional testing and enabling lists to be passed in
* removing left over stuff from previous attempt
* Some fields are not listed in <column> tags, so we need to construct from <metadata-record>
* removing thumbnail
* move _column_object_from* to use a named tuple
* removing cruft from previous implementation
* renaming retval to something more useful
* cleaning up _is_used_by_worksheet
* reformatting import statements
* removing PredicateDictionary
* A workbook doc without any content should still load
* found_in -> used_by_sheet

* refactoring for better readability

* rename metadata_field_objects to metadata_only_field_objects

…#59)

* add an explicit version check to be explicit about what we support

* Move xml_open to xfile

* Updating to ignore ephemeral fields

* scrubbing thumbnails from the new twb file