initial impl of handler
remove commented code
Merge branch 'master' of https://github.com/springmeyer/node-osmium into handler
better test
also dispose of node callback when finished
keep profiling stuff even in release mode for now
Rename push() to apply() following libosmium
more intensive tests of reader/handler
formatting
Handler callback improvements.

This adds a way callback and creates JS node/way objects to give to the
node/way callbacks. Currently they are created as normal JS objects and
all data is copied into them, but that could be changed to using wrapper
objects later.
Add test for node/way objects in callback
Merge branch 'handler' of github.com:springmeyer/node-osmium into handler
Complete objects for callbacks.
Some test code for exercising callbacks.
Add HandleScope and TryCatch to callbacks.
Fix typo
Remove hardcoded path
Use buffered-writer npm.
Pulling out wkb/wkt_factory
Move some includes and typedefs into the proper place.