Normal lenses throw on non existing values
Add partial lenses
Memoize normal lenses
Merge pull request #5 from Suor/master

Better traversals
Merge branch 'feature/partial-lenses'

Conflicts:
	src/tscope.js
Build dist
Add partial lenses in documentation [ci skip]
Implement filter in traversal
traversal arguments handling
Check traversal arguments handling in test
Add filter method to Traversal
Add filtered traversals

Added support for filtration on different levels.
Traversal now receives predicate not lens as its only argument.
Merge branch 'pr/6'
Update traversals documentation
Browser build
0.0.2
Update package.json contributors
Cleanup merge artifacts

- remove old Tscope.traversed
- move Tscope.full to Normal Lenses section