LICENSE

Primary License: MIT

Copyright (C) 2013 Zachary Pierce, Measured Progress

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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Licenses relevant to code adapted from external sources:

Component: RFC 3987 IRI Regex
License: Creative Commons Attribution and Share-Alike
Authors: eyelidlessness and Dave Jarvis
Date: 2008-2013
Source: http://stackoverflow.com/questions/161738/what-is-the-best-regular-expression-to-check-if-a-string-is-a-valid-url#answer-190405 

Component: ISO 8601 Date Time Regex
License: MIT License
Authors: Colin Snover
Date: 2011
Source: https://github.com/csnover/js-iso8601

Component: Javascript simplified type-checking
License: MIT License
Authors: Jeremy Ashkenas, DocumentCloud
Date: 2009-2013
Source: http://underscorejs.org/docs/underscore.html

Component: BCP 47 Regex
License: MIT License
Authors: Gabriel Llamas
Date: 2012+
Source: https://github.com/gagle/Node-BCP47