Merge pull request #16 from openworm/development

Development
Merge pull request #17 from openworm/development

Updated model version
Merge pull request #18 from openworm/development

Release 0.0.4
Merge pull request #19 from openworm/development

Release 0.0.5-alpha
Merge pull request #20 from openworm/development

Geppetto 0.0.6 release
Merge pull request #22 from openworm/development

Development
Merge pull request #23 from openworm/master

Master to development