Moved classes from Utils to Toolbox
Added AwsS3Storage
Updated .gitignore
removed release.md
Updated getInfo() for AwsS3 Storage
Moved arrayColumn() from SimplePhoto to ArrayUtils
Re-arranged the order of arguments to callbacks when building photo collections
Renamed transform option 'size' to 'resize'
Fixed failed tests for transforming photos
Removed allowing iterators to be passed to `push()`
Some code comment update
Added upload from url shortcut + php doc updates
Updated tests for ArrayUtils and FileUtils
Added PhotoCollectionTests
Added AwsS3Storage tests
Added replace() to StorageManager for swapping existing storage
Some code cleanup
Tests
Allow for extending & implementing custom transformers
Updated tests