Don't unescape `+` in url path; fixes #14
Merge pull request #15 from coreyward/master

Don't unescape `+` symbols in URL path
Change c18n to standard c14n abbreviation. In other words, C<14 letters>N. See http://www.w3.org/TR/xml-c14n and https://en.wikipedia.org/wiki/Canonicalization
Merge pull request #20 from kanet77/master

Change c18n to standard c14n abbreviation.
Rename c18n.yml to conform to the intention of #20
Merge pull request #21 from glsignal/rename-c18n-yml

Rename c18n.yml to conform to the intention of #20