Refactor and fixes
Sv tools fixes, version bump
Merge branch 'refactor' of https://github.com/nortikin/sverchok into refactor

Conflicts:
	utils/version
Merge pull request #277 from nortikin/master

sync with master
Fixes data_structure sv_tools
Merge branch 'refactor' of https://github.com/nortikin/sverchok into development
Merge branch 'development' of https://github.com/nortikin/sverchok into development
some
Merge branch 'refactor'

Conflicts:
	nodes/modifier/mesh_separate.py
Merge branch 'development'