Drew

Results 5 issues of Drew

If you pass a command in to it like `node ./cmd help` it currently opens a shell but it seems like it should just exit. My implementation is call `process.exit`...

Fixes #17 This adds a magic rule called foreign and adds it to the compiler. I couldn't figure out what to do with super rules.

Right now foreign rules throws a not implemented exception.

Int64, UInt64 and Float8 are all passed by reference when the pointer size is less than 64 bit. In Postgres this is controlled by the `USE_FLOAT8_BYVAL` macro defined in [pg_config_manual.h](https://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/include/pg_config_manual.h;h=f941ee2faf86b84a9d76b74269bec88d421fcbb7;hb=HEAD#l76),...