update of old PL/SQL PLpgSQL and SQLPL patch based on current version

see [linguist] add support for oracle PLSQL (#1003)

samples/PLSQL/packagebody.pkb

@@ -0,0 +1,58 @@
+CREATE OR REPLACE PACKAGE BODY linguistpackage
+AS
+  /*
+  * Package:     linguist pacakage body
+  * Purpose:     a sample PLSQL file for linguist to work with
+  *
+  * Date:        03/03/2014
+  * Author:      david pyke le brun
+  * Comments:    initial version
+  */
+
+PROCEDURE proc_1
+IS
+BEGIN
+NULL;
+END;
+
+-- functions with 1 arg
+FUNCTION function1( param1 VARCHAR2 ) RETURN VARCHAR2
+IS
+CURSOR c IS
+select * from dual;
+v c%ROWTYPE;
+BEGIN
+ open c;
+ fetch c into v;
+ close c;
+
+ return v;
+end;
+
+FUNCTION function2( param1 NUMBER ) RETURN DATE
+IS
+BEGIN
+ return SYSDATE;
+end;
+
+--a few more to use all basic SQL types
+FUNCTION function3( param1 TIMESTAMP ) RETURN CHAR
+IS
+BEGIN
+IF 1 = 2 THEN
+return 'Y';
+ELSE
+return 'N';
+END IF;
+return NULL;
+END;
+
+
+FUNCTION function4( param1 CLOB ) RETURN BLOB
+IS
+BEGIN
+	return null;
+END;
+
+END linguistpackage;
+/