Adds CLA and updates copyright. Fixes #149

Author: frvge

CONTRIBUTING.md

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+# Contributor guidelines - parserlib
+
+Please note that this project is released with a Contributor Code of Conduct. By participating in this project you agree to abide by its terms.
+
+# Contributor License Agreement
+
+A CLA is a document that specifies how a project is allowed to use your code. We've put a lot of work into creating a CLA that is simple, effective, and as clear as possible so that it doesn't disrupt contributions to parserlib.
+
+When you make a contribution to the parserlib project, you agree:
+
+* The code you wrote is your original work (you own the copyright) or you otherwise have the right to submit the work.
+* To grant the parserlib project a nonexclusive, irrevocable license to use your submitted code in any way.
+* You are capable of granting these rights for the contribution.
+
+By submitting a fix to parserlib you agree to the above statements.
+
+# Contributor Code of Conduct
+
+As contributors and maintainers of this project, and in the interest of
+fostering an open and welcoming community, we pledge to respect all people who
+contribute through reporting issues, posting feature requests, updating
+documentation, submitting pull requests or patches, and other activities.
+
+We are committed to making participation in this project a harassment-free
+experience for everyone, regardless of level of experience, gender, gender
+identity and expression, sexual orientation, disability, personal appearance,
+body size, race, ethnicity, age, religion, or nationality.
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery
+* Personal attacks
+* Trolling or insulting/derogatory comments
+* Public or private harassment
+* Publishing other's private information, such as physical or electronic
+  addresses, without explicit permission
+* Other unethical or unprofessional conduct
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+By adopting this Code of Conduct, project maintainers commit themselves to
+fairly and consistently applying these principles to every aspect of managing
+this project. Project maintainers who do not follow or enforce the Code of
+Conduct may be permanently removed from the project team.
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community.
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting a project maintainer at nicole AT stubbornella DOT org. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. Maintainers are
+obligated to maintain confidentiality with regard to the reporter of an
+incident.
+
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage],
+version 1.3.0, available at
+[http://contributor-covenant.org/version/1/3/0/][version]
+
+[homepage]: http://contributor-covenant.org
+[version]: http://contributor-covenant.org/version/1/3/0/

LICENSE

@@ -1,5 +1,5 @@
 Parser-Lib
-Copyright (c) 2009-2011 Nicholas C. Zakas. All rights reserved.
+Copyright (c) 2009-2016 Nicholas C. Zakas. All rights reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal