Update version number
Add part models and configuration
Add Sped3 class
Implement SPED-3
Implement persistence
Merge pull request #41 from dbent/topic/sped3

SPED-3
Updates for the SPED-3 and fixes
Merge pull request #42 from dbent/topic/update_readme

Update README
Merge pull request #43 from dbent/version/0.6.0

Version/0.6.0