env() support default value.
Fix docblock and typo
Add MacroableTrait for Filesystem
short_array_syntax in Container class
Fixed queue dispatching
remove extra code
Merge pull request #6804 from ibrasho/bus_queue_fix

[5.0] Fixed bus queue dispatching
Merge pull request #6805 from bariskanat/patch-1

remove extra code
Put same methods that were in L4.
Allow handle method for consistency across "handlers".
Minor tweak to Command execution
Merge pull request #6807 from ibrasho/minor-tweak

Minor tweak to Command execution
Bind closures when using macros to allow access to $this and static.
Merge pull request #6798 from lucasmichot/5.0-filesystem-macrotrait

[5.0] Add MacroableTrait For Filesystem
Merge pull request #6801 from hannesvdvreken/5.0-short_array_syntax

[5.0] Use Short Array Syntax In The Container
Merge pull request #6797 from lucasmichot/5.0-docblock-typo

[5.0] Fix Some DocBlocks And A Typo
 strictly check for false
Merge pull request #6795 from overtrue/master

[5.0] Add env() Default Value