Ezodf

* File-like objects utilisation improved

* Maitainer changed
* Simple variables and user fields support added
* Tests system changed to nose
* Travis CI support added
* Python 2.6 - 3.4 support added

* Alpha version
* license changed to MIT license
* development stopped - for now

* Alpha version
* can open tables with many repeated rows/cols, 3 opening strategies are supported
* tested: on Win7/Ubuntu 32-Bit with CPython 2.7 and CPython 3.2

* Alpha version
* tested: on Windows7 32 Bit with CPython 2.7 and CPython 3.2

* Alpha version
* Spreadsheet: added cell-span management
* tested with Python 3.2 - OK
* added tobytes() method to all document classes
* opendoc() accept the zip-file content as 'bytes' instead of the filename
as parameter 'filename'
* newdoc() accept the zip-file content as 'bytes' instead of the filename
as parameter 'template'