Adding in the mant thinger.
Use HyTypeError to raise `else' errors in `foreach'

Signed-off-by: Julien Danjou <julien@danjou.info>
Callin' this 0.9.6
Merge branch 'master' of github.com:paultag/hy
Implement unary minus
Simplify the decorator hy.compiler.builds
Not so much for the efficiency gain, but to save keystrokes in the
debugger when looking at methods with lots of builds decorators.
Merge branch 'unary_minus' of github.com:khinsen/hy
Don't quote things in (quote) - Closes #129
Add another small test on this
Remove useless check

Signed-off-by: Julien Danjou <julien@danjou.info>
docstrings on the mangle
documenting hy.core.mangles