Remove unsafe characters from the filename

See https://regex101.com/r/mJ3sI5/1

Fixing deleting models with empty uploadable attribtues

1.1.2

Verify the attribute has a value before deleting

Fixing detection of trait on subclassed models

Not using class_uses since it doesn't find the trait on parents without looping through ancestry.

Initial release

1.0.0

Fixing detection of trait on subclassed models

Adding a facade, prioritizing events, bug fixes, and more docs

• Fixing bug with PHP open tag
• Switching IoC bindings to singletons
• Adding a Facade class
• Giving Laravel event listening a higher priority so Upchuck happens before standard event listeners
• Removing uploads from request after handling
• More docs