Added type hints and small tweaks

• Added Eloquent Model type hints to methods that can only accept a Model instance
• Some other small tweaks

Inventory Variants

• Added the ability to create variants of inventory items
• Updated code docs throughout the package
• Updated documenation

Fixed service provider paths

v1.5.8

Fixed translation path

More PSR Compatibility Changes

v1.5.7

Fix small typo

PS2 Compatibility

• Thanks to @brunogaspar, PS2 compatibility has been finished

Updated for PSR compatibility

• composer.json now uses PSR-4 autoloading
• Tests are now excluded by default in composer.json
• All arrays have been changed to short syntax for consistency

Uncommented function, screw up from code re-format

v1.5.4

Uncommented function, screw up from code re-format

Added default stock change reasons to transactions

• Default stock change reasons are now given to the stock when a transaction modifies stock in some way. You can update these by publishing and modifying the lang files

Bumped service provider to correct version

v1.5.2

Woops, bumped version

Merged auth fix for Laravel 5

• Merged #18