libgpg-error 1.16
libgpg-error: update 1.16 bottle.
Remove incorrect comment from example formula

You can use any number of "/" operators, just as you can "+".
boost 1.56
Split out Boost.Python
Use boost-python instead of boost => with-python

Boost.Python support in Homebrew is moving from the boost formula to a
new boost-python formula. This commit updates formulas that were using
boost --with-python to use boost-python instead.
boost: update 1.56.0 bottle.
boost-bcp: add 1.56.0 bottle.
boost-python: add 1.56.0 bottle.
libpst: update 0.6.55_1 bottle.
libtorrent-rasterbar: update 1.0.2_1 bottle.
pyexiv2: add 0.3.2_1 bottle.