test => empty string
test => even string
test => odd string
fix bug => split even string
refactoring => using string.match instead
Merge branch 'split_strings' into master
add test into all-tests.html
test => substring not found
test => once
test => many times
refactoring => using String.split instead
Merge branch 'return_substring_instance_count' into master
add test into all-tests.html
test => output result
test => increment
test => decrement
test => square
test => mixed
Merge branch 'make_the_deadfish_swim' into master
add test into all-tests.html