EIP 211: CREATE resets the previous return data

This change is according to
ethereum/EIPs#211 (comment)

Paper.tex

@@ -1969,6 +1969,7 @@ \subsection{Instruction Set}
 &&&& low to fulfil the value transfer); and otherwise $x=A(I_a, \boldsymbol{\sigma}[I_a]_n)$, the address of the newly \\
 &&&& created account, otherwise. \\
 &&&& $\boldsymbol{\mu}'_i \equiv M(\boldsymbol{\mu}_i, \boldsymbol{\mu}_\mathbf{s}[1], \boldsymbol{\mu}_\mathbf{s}[2])$ \\
+&&&& $\boldsymbol{\mu}'_\mathbf{o} \equiv ()$ \\
 &&&& Thus the operand order is: value, input offset, input size. \\
 \midrule
 0xf1 & {\small CALL} & 7 & 1 & Message-call into an account. \\