Less-PHP/less.php — pull request #39 by s7eph4n (2014-10-08 20:56:32+00:00)
Title: @import directives should work even if the .less file extension is not present

see http://lesscss.org/features/#import-directives-feature-file-extensions:
"If it does not have an extension, .less will be appended and it will be included as a imported Less file."

Replaces #23