search(key)
Instance Public methods
Returns the associated job for the given key.
If given an Integer, it will return the
key index for the jobs Array.
When an instance of Irb is given, it will return the
irb session associated with key.
If given an instance of Thread, it will return
the associated thread key using Object#=== on the jobs Array.
Otherwise returns the irb session with the same top-level binding as the
given key.
Raises a NoSuchJob exception if no job can be found wit