align module imports with enext (#5)

Merge branch 'master' of https://github.com/fossasia/eventyay-tickets-paypal into fossasia/upgrade-paypal

Add safe_get for getting value from nested dict safely, use http lib for code and status

Re-upload LICENSE

Add missing space

Add default value of getting key from headers, return response instead of raising JsonDecoderError exception

Remove old dependencies

Refactor code with sourcery

Refactor code with sourcery

Add check install python package

Add default value for webhook id

Change path names

Correct missing plugin name

Change plugin name to match with package name when installed as a dependency

Edit import relative instead from plugins