Minor typos and issues

[dereuromark]

Supporting our custom url pattern => URL (uppercase) p.48

p() => paste() Maybe with custom routing to have the action name be more clear and verbose - p() doesnt say much. p.49

$no_index => $noIndex p. 52

[josegonzalez]

• 4b7453e2: uppercase URL. Refs #8
• dafc629f: Properly name $noIndex variable. Refs #8
• c39d1928: Rename private method p to private. Closes #8

[josegonzalez]

b9a81a9d : Revert c39d1928 and add a note to specify why we are using the letter p for an action name