ps0 added.
ps1 release
Updated the Makefile.
fixed ps1.ml typo
Clarification on variance formula
Added section 0 notes
Added submit script (wrapper around git commands)
Changed permissions on submit.sh
make submit script git commit -a -m
fixed typo in submit.sh
ps2 release
Fixed typo in ps2 2.2
Fixed bug in toString
Adding section1
updated submit script to keep going when commit fails
Shipped ps3
Added section2 to the repo.
ps4 yaaay
clarification
added check_width script