fixed bug when using uuid with mssql

mssql_dialect.go

@@ -247,6 +247,9 @@ func (db *mssql) SqlType(c *core.Column) string {
 		res = core.Text
 	case core.Double:
 		res = core.Real
+	case core.Uuid:
+		res = core.Varchar
+		c.Length = 40
 	default:
 		res = t
 	}

xorm.go

@@ -17,7 +17,7 @@ import (
 
 const (
 	// Version show the xorm's version
-	Version string = "0.6.0.1010"
+	Version string = "0.6.0.1016"
 )
 
 func regDrvsNDialects() bool {