Merge pull request #59 from dshook/issue-56

Fix for #56 singular of minus

Author: ben-lin

lib/inflection.js

@@ -199,6 +199,7 @@
     // 'metal',
     'methane',
     'milk',
+    'minus',
     'money',
     // 'moose',
     'mud',

test/inflection.js

@@ -92,6 +92,7 @@ describe( 'test .singularize', function (){
     inflection.singularize( 'criterion' ).should.equal( 'criterion' );
     inflection.singularize( 'genera' ).should.equal( 'genus' );
     inflection.singularize( 'genus' ).should.equal( 'genus' );
+    inflection.singularize( 'minus' ).should.equal( 'minus' );
 
   });
 });