Add support for DIV and MOD opcodes

Summary:
Added implementation for OP_DIV and OP_MOD with minimal tests

Depends on D1223

Co-authored-by: Joshua Yabut <yabut.joshua@gmail.com>
Co-authored-by: Marcos Mayorga <mm@mm-studios.com>
Co-authored-by: Daniel Connolly <daniel@dconnolly.com>
Co-authored-by: Shammah Chancellor <shammah.chancellor@bitcoinabc.org>

Test Plan: make check

Reviewers: schancel, #bitcoin_abc, deadalnix

Reviewed By: #bitcoin_abc, deadalnix

Subscribers: Mengerian, movrcx, deadalnix, macros, teamcity

Maniphest Tasks: T306, T305

Differential Revision: https://reviews.bitcoinabc.org/D1212