Renamed library to tools.
Renamed audiolib to audiotools.
Renamed audiotools to synthdefinitiontools.
Renamed ugenlib to ugentools.
Renamed controllib to servertools.
Renamed osclib to osctools.
Renamed responselib to serverresponsetools.
Renamed timespanlib to timetools.

Eventually the timetools classes will be merged in Abjad's timespantools
package.