moved index to top of file for clarity
added code to kick user back to homepage if tries to access assignments and not logged it
added links to assignments page
added message for no recorded answers
put assignments into alphebetical order
merged in pip
moved Tom Leher note because it seemed to be in mid-thought place -- moved below active code for base numbers
changed name of active code to make output got to correct box
swapped order of code in active code ch09_tuple4 such that error happens on last line
switched around language in paragraph following ch09_tuple4
fixed grammar in test_questiontuples_3
added more print statements to make cp_09_tuple5 and 6 more readable
removed comment in exercise 1 because i think it makes problem more clear
removed def absolute(x): from sort_8 because it make the system easier to work with.
added active code exercise to bottom of chapter
Merge pull request #35 from aerenchyma/pset5-edits

Some phrasing changes to pset5
small fixes to ps5
Merge pull request #33 from nickdotreid/pip

Minor Assignment Fixes
in-class exercises for session 10
Revert "allow hidden code before the visible code in actex, analogous to existing mechanism for extra code after the visible code"

This reverts commit 7580638c36e71afd25d4abf87b68fe0253676b34.