[README] Annotate cURL example so it gets syntax highlighting
[Issue #213] Fixing README examples to unwrap NSURL optional initializer
Merge pull request #208 from segiddins/readme-curl-bash-lang

[README] Annotate cURL example so it gets syntax highlighting
Fixing possible exception when force unwrapping optional header properties
[Issue #226] Fixing optional cookie entry in cURL output
Adding missing forced unwrap in test
Fixing optional textLabel property on cells
[Issue #230] Making response object example initializer failable
[Issue #241] Set HTTPBodyStream for streamed request

Signed-off-by: Mattt Thompson <m@mattt.me>
Update README.md

Fix "Operand of postfix '!' should have optional type" by removing extraneous `!` after `URL`
Merge pull request #247 from nsarno/patch-1

Update README.md
Compose percent-encoded query from percent-encoded components
Tests for URL with precomposed query
Merge pull request #249 from sunnycows/master

Compose percent-encoded query from percent-encoded components
Adding POST request JSON response test