Add array dependency to download function

Since this needs to be an array, it's better to set it as a dependency.

Signed-off-by: Dries Vints <dries.vints@gmail.com>
Various documentation fixes

Signed-off-by: Dries Vints <dries.vints@gmail.com>
Fix some more spaces.

Signed-off-by: Dries Vints <dries.vints@gmail.com>
Add lists method to Collection class

Signed-off-by: Dries Vints <dries.vints@gmail.com>
Fix incorrect variable name in docblock

Signed-off-by: Dries Vints <dries.vints@gmail.com>
Fix incorrect variables used
Merge branch '4.0'
Add a space between 2 lines

Signed-off-by: Dries Vints <dries.vints@gmail.com>
Merge pull request #1535 from driesvints/feature/lists-function-on-collection-class

Add lists method to Collection class
Merge branch '4.0'
Add implode method to Collection class and Query Builder

This makes it easy to glue values or column or key inside a collection or a DB result set together.

Signed-off-by: Dries Vints <dries.vints@gmail.com>
Cleaning up some code.
Merge branch '4.0'