Added a simple Makefile for library installation
added open and include to allowed top-level blocks
Another Jane Street comment indentation test, in 'match'.
Added tests for another Jane Street indentation tweak: Nested funs in monad ops.
Updated tests.  (Forgot on the last commit.)
Tweak to the Jane Street indentation of "fun" starting a line.
Presumedly immaterial tweaks to js-type tests, incl. removal of a few tests
that I overgeneralized from the Jane Street style (we wouldn't write them).
Updated tests.  (Forgot on last rev.)
Revised js-fun slightly based on internal conversation.
Version 1.3.0