IPython/Extensions/ipipe.py: Added a Table ihist that can be used to...
IPython/Extensions/ipipe.py: Added a Table ihist that can be used to
browse the IPython input history.
IPython/Extensions/ibrowse.py: Added two command to ibrowse: pickinput
(mapped to "i") can be used to put the object under the curser in the
input line. pickinputattr (mapped to "I") does the same for the
attribute under the cursor.
