Revert "Revert "Remove useless code""

This reverts commit 262da59c7790cdadd60ea9612bc9e3c1616863fd.

Conflicts:
	hy/models/string.py
Addining some initial docs.
Better catch syntax

The syntax is now changed to:

  (catch [] BODY)
  (catch [Exception] BODY)
  (catch [e Exception] BODY)
  (catch [e [Exception1 Exception2]] BODY)

Signed-off-by: Julien Danjou <julien@danjou.info>
Merge branch 'jd/catch' of git://github.com/jd/hy into pr-73
fixing up the hy site to match the new catch syntax
catch: uncomment some tests

Signed-off-by: Julien Danjou <julien@danjou.info>
Alias `except' to `catch' and `raise' to `throw'

Signed-off-by: Julien Danjou <julien@danjou.info>
Adding in a NEW file; filling this in
Adding 0.9.3 entries
Backfilling NEWS entries
some last entries