ADD: two supported statements (EXPLAIN and DESCRIBE)

git-svn-id: https://php-sql-parser.googlecode.com/svn/trunk@1348 44dcfd11-89b7-3d55-2063-5c365055f77f

Author: phosco@gmx.de

README.md

@@ -20,7 +20,9 @@ A pure PHP SQL (non validating) parser w/ focus on MySQL dialect of SQL
     SET
     DROP
     CREATE INDEX
-    CREATE TABLE 
+    CREATE TABLE
+    EXPLAIN
+    DESCRIBE
 
 ###Other SQL statement types