mod. ensure user input is unicode and escaped.  Handle exceptions on hash generation and verification.
fix. handle exceptional cases where in queue raises IOErrors in requests_notifications_callback
fix/mod. remove "data_type" kwarg and default all aggregate types to Python standard FloatType (don't use numpy types).
fix/mod. remove "data_type" kwarg and default all aggregate types to Python standard FloatType (don't use numpy types).
mod. docs to refer to corect package name.
rm. experiments section from docs.
add. Ipython notebook and pickle backups
add. more robust reporting when requests fail.
mod. structure the .gitignore a bit more clearly.
tag. UMAPI version 0.1.4-dev.