FTS
few more little tweaks
Update functions.rst
Update functions.rst
Adding a note about function "parameters"
Adding initial chapter 3 - array and loops
Review update
Updating notice line number and fixing white space
Updating CSS and adding images used by the project
Adding the initial writing of the arrays 2 and arrays 3 chapters
Merge branch 'master' into coding/ch1
Merge branch 'coding/ch1' into coding/ch2
Merge branch 'coding/ch2' into coding/ch3