Fixed some more code in the readme file

There were some more errors in the code snippets
Fix Port usage

 * Update Server's Listening Port from 8081 ==> 8080
Merge pull request #8 from r8k/master

Fix Port usage
Setting response headers before calling WriteHeader.
Merge pull request #11 from alexandernyquist/master

Setting response headers before calling WriteHeader.
Merge branch 'develop'
Fixes code examples in README
Merge branch 'develop'
Merge pull request #6 from SkuliOskarsson/patch-1

Fixed some more code in the readme file
Merge pull request #18 from bluele/fixReadme

Fixes code examples in README
Fix JSON Struct example
Extra example
Merge pull request #21 from javierprovecho/master

Fix JSON Struct example
Add GoDoc Badge
Fix
Fix
Merge pull request #23 from javierprovecho/master

GoDoc Badge
Fix README.md
Merge pull request #25 from AlexanderChen1989/master

Fix README.md
Merge branch 'master' into develop