Strict checks enabled for Sample application
Add example for implementing HTTP 401 AUTH using the library.
Merge remote-tracking branch 'origin/master'
Fixed LINT issues + renamed Http401Auth class.
Couple of fixes.
Merge pull request #622 from fineswap/Http401Auth

Add example for implementing HTTP 401 AUTH using the library.
Fixed minor Lint issue
Update CONTRIBUTING.md
Update CONTRIBUTING.md
Merge commit 'a11ee91e310d874ccc026549c5efe4ffcd1c06ce'