Update the dis module documentation to reflect the EXTENDED_ARG opcode.
information.
\end{opcodedesc}
+\begin{opcodedesc}{EXTENDED_ARG}{ext}
+Prefixes any opcode which has an argument too big to fit into the
+default two bytes. \var{ext} holds two additional bytes which, taken
+together with the subsequent opcode's argument, comprise a four-byte
+argument, \var {ext} being the two most-significant bytes.
+\end{opcodedesc}
+
\begin{opcodedesc}{CALL_FUNCTION_VAR}{argc}
Calls a function. \var{argc} is interpreted as in \code{CALL_FUNCTION}.
The top element on the stack contains the variable argument list, followed