Add unsignedInteger PTYPE's method to scheme

git-svn-id: https://klish.googlecode.com/svn/trunk@526 0eaa4687-2ee9-07dd-09d9-bcdd2d2dd5fb

clish.xsd

@@ -102,6 +102,7 @@
         <xs:restriction base="xs:string">
             <xs:enumeration value="regexp"/>
             <xs:enumeration value="integer"/>
+            <xs:enumeration value="unsignedInteger"/>
             <xs:enumeration value="select"/>
             <xs:enumeration value="choice"/>
             <xs:enumeration value="subcommand"/>