Update report
remove maybe type
Initial parse done, finishing node population and edge definition
Update historyGetter.js
Update document, need to write about 'sessions'
Report mashup
tmp
Merge branch 'master' of https://github.com/superfunc/cs155
poo on foo
Merge in report.tex
added organization
Merge branch 'master' of https://github.com/superfunc/cs155
Add elaborated Problem definition section
Merge with master