leg
Better submethod support.
Merge commit '01a2938983d57f672b7dde0d3c626d70c06b667f'
need
consts
Merge commit 'e9df3fb14cd2cd341f517a40809fa020909a0f35'
div
test case for div
lcm
consts
Merge commit '66af7ab25b8eccdaca93494d8f33bff9173e0f4d'
consts