Add prototype branch
Catch error at individual step. For issue #28
Modified test parameters
Solved problem issue #5
Modified examples/catch.*
Retrive do(cb, context)
Merge branch 'prototype' of github.com:YasuOza/node-seq into prototype
Fixed npm test
Fixed parEachInto test
Merge branch 'catchIndiviStep' into prototype

Conflicts:
	index.js
	test/seq.js
Merge branch 'prototype'
Merge branch 'stable'