commit CC directory
Added: random number generator and Fibonacci
Merge branch 'master' of https://github.com/chrischeuk/BEWD_2_HK
hw: secret num;ex_4_teddit
add hw: lesson 4 API
finished API HW step 2
project proposal
Merge branch 'master' of git://github.com/chrischeuk/BEWD_2_HK into chris
Revert "commit CC directory"

This reverts commit 005666447c1d57052fcdbf26ef5b32aca6f6cf21.
move modified file into students dir
Merge branch 'chris'