Multiple SPH Solver threads test.
Merge remote-tracking branch 'origin/development' into multiuser
Merge pull request #24 from openworm/development

Release 0.0.8
Merge branch 'development' into multiuser
Release 0.0.9
Merge pull request #25 from openworm/development

Release 0.0.9
Merge pull request #26 from openworm/master

Merging master into membranes branch