HTTP routing update

Merge pull request mewebstudio#88 from HuanMeng0/patch-1

Fix  - Always "validation.captcha" in Laravel5.2

Merge pull request mewebstudio#85 from amin101/custom-key

customize characters

Merge pull request mewebstudio#77 from ycrao/master

add web middleware to captcha route when using Laravel 5.2.x

Merge pull request mewebstudio#73 from ptcong/support-lumen

add support lumen

Fixed tests and Travis builds

Bug fixed and typo

Case sensitive bug fixed -
mewebstudio#46
Typo fixed

router fix and readme update

Merge pull request mewebstudio#42 from lbausch/bugfix_issue_39

use route to Controller method for CAPTCHA

Merge pull request mewebstudio#35 from hutushen222/master

Refactoring CaptchaServiceProvider