Bump the version number to 0.8.5.
Bump the version number to 0.8.5.

Changes since 0.8.4:
- Add support for converting utf-8 to other character sets.
- Tag paths can now be arbitrarily deep.
- Improve efficiency of skipping large elements during scan.

Bug fixes since 0.8.4:
- Don't ignore elements that follow PixelData element.
- Fix bugs related to item matching during queries.
- Fix various bugs related to private tags in queries.
- Fix crash when NumberOfFrames missing from enchanced files.

dgobbi/vtk-dicom,dgobbi/vtk-dicom,dgobbi/vtk-dicom