Merge pull request #618 from flightphp/multiple-trailing-slashes

Fixed multiple trailing slashes issues.

Merge pull request #596 from flightphp/feat/route-compact-syntax

Group compact syntax

Merge pull request #602 from flightphp/file-upload-handler

Added ability to handle file uploads in a simple way

Merge pull request #599 from flightphp/cache-correction

Corrected the cache behavior in some areas

Merge pull request #598 from flightphp/cache-control

Changed default cache behavior

Merge pull request #581 from flightphp/fix/bug-with-multiple-view-ren…

…ders

Fix/bug with multiple view renders

Merge pull request #594 from flightphp/maintain-headers

Maintains headers on redirect, error, and halt. Added jsonHalt

Merge pull request #585 from flightphp/middleware-use-container

Allowed for middlewares to be created with container

Merge pull request #572 from BelleNottelling/fix/output-compression

Fix content length when using response body callbacks

Merge pull request #571 from flightphp/response-body-callback

Added ability to convert the response body with callbacks