Cleans up interface (it's now a command line option) and renames project to "sqlcache" in the all-one-word style. Still has issues to do with concurrency, retrying transactions, and foreign function calls that either rely on state or have side effects.

type t1 = {A : int, B : float}
type t2 = {B : float, A : int}
val e1 : t1 -> t2 = fn x => x