Get stMemory tests to pass

[zixuanzh]

• [x] codeCopyOffset
• [x] callDataCopyOffset
• [x] codecopy_dejavu2
• [x] calldatacopy_dejavu2
• [x] mem32kb_singleByte
• [x] mem32kb_singleByte+31
• [x] mem32kb_singleByte-1
• [x] mem32kb_singleByte-33
• [x] mem64kb_singleByte
• [x] mem64kb_singleByte-32
• [x] stackLimitPush31_1024
• [x] stackLimitPush32_1024
• [ ] mem31b_singleByte
• [ ] mem32b_singleByte
• [ ] mem32kb_singleByte+32
• [ ] mem32kb_singleByte-32
• [ ] mem64kb_singleByte-1
• [ ] mem64kb_singleByte+31
• [ ] mem64kb_singleByte+32
• [ ] mem64kb_singleByte-33
• [ ] stackLimitGas_1023
• [ ] stackLimitGas_1024
• [ ] stackLimitPush31_1023
• [ ] stackLimitPush32_1023

CC @axic @cdetrio @lrettig @hugo-dc @jwasinger

[zixuanzh]

Running on the latest evm2wasm 50ef430f4e225a864f21d7e50fd4e8b4dd0ec9bf "Fix CALLCODE and add a test for it" reduces this list to 12 failures