Refactor the code
Add unit tests for 'deps.js'
Merge pull request #36 from enb-bem/unit-tests-for-deps

Unit tests for deps
Updated dependencies
Updated CHANGELOG.md
v0.1.0-beta3
Fixed support of relative level paths
v0.1.0-beta4
Added `depsFormat` option for `files` tech
Updated tests for `files` tech
Fixed `format` option for deps techs
Merge pull request #39 from enb-bem/issue-37

Added `depsFormat` option for `files` tech
Renamed `format` options of deps techs to `sourceDepsFormat`
Merge pull request #40 from enb-bem/issue-38

Renamed `format` options of deps techs to `sourceDepsFormat`
Updated docs
Updated dev dependencies
v0.1.0-beta5
Support `deps.js` & `bemdecl.js` format for decl in `deps`, `deps-old` and `files` techs by default
Updated tests for decl formats
Updated README.md