Cabal revisions of nurbs-0.1.1.0

Hackage metadata revisions edit the .cabal file after upload; each diff below is one revision.

 name:                nurbs
 version:             0.1.1.0
+x-revision: 1
 synopsis:            NURBS
 description:
   Simple NURBS library with support of NURBS, periodic NURBS, knot insertion-removal, NURBS split-joint
 license-file:        LICENSE
 author:              Alexanrd `voidex` Ruchkin
 maintainer:          voidex@live.com
-category:            Math
+category:            Math, Geometry, Linear Algebra
 build-type:          Simple
 cabal-version:       >=1.10