* Added test:// URI schema.

* Config: Py3 fix and support for setting attrs.

* Added sub/indexing to attrs config.

* Added to docstring.

* Added support for physical quantities to config.

* pylint fixes

* Tests for new setattr_expression

* Added tests for new config, YAML.

* pylint fix for new tests

* Very minor pylint fix

* Added ruamel.yaml as testing dep.

* Reworked awkward sentence.

* Updated docs for ruamel.yaml dep.

* Remove pyyaml, only use ruamel.yaml

* Disabled info category messages from mylint.

* Added version dump to travis config.

* Trying ot use python -m to work around venv issues.

* Revert "Trying ot use python -m to work around venv issues."

This reverts commit f73a243.

* ruamel.yaml vs ruamel_yaml and fixing pylint false +ve.

* Explicitly use unsafe loader as suggested by ruamel.yaml warnings.

* Marked test as explicitly unsafe as well.

* Started fixing new pylint 1.7 checks.

* More pylint17 fixes.

* Removed flags that are now disabled by default.

* Still more misc pylint17 fixes.

* Updated pylint freeze to 1.7.

* Guess what? Still more misc fixes.

* More fixes.

* pylint17 fixes nearly done

* Should be the last fixes for 1.7.

* pylint 1.7 fix

* Fix parameter names

* Update pylint 1.7->1.7.1

* Cleanup thorlabs_utils.py

* Add Py36 and drop Py33

* Update readme

* Revert adding version constraint to numpy

* Use ruamel.yaml 0.14

* Initial version of named struct class.

* Added tests for new class.

* docs and a pylint fix.

* Py3k fix (filter → list(filter))

* Improvements to string handling.

* Ignored additional carp.

* Provide fixes for build and start using hypothesis

* Locked requirements.txt; see #174.

* Fixed py3k compat issue.

* Fixed negative length checks.

* Fixed bug in StringField.__get__

* Added NamedStruct.__eq__ test.

* Fixing pylint warnings.

* Moved pylint warning comment.

* Changed numpy version in reqs as suggested by @scasagrande