Fix issues with dependencies

• Drops support of Python 3.4
• Fix issues with dependencies (#32)

Support subscription_set_external_id

• This is the last version supporting Python 3.4
• Update client get endpoints for MCS [chch16182] (#31)

v1.2.4

Commits

• [de4e0a2] - Allow customer_external_id param in invoice#create action (#30) (Hassansin)

Fix Marshmallow dependency

v1.2.3

Use twine for distribution uploading

Connect Subscriptions

Features

• [ee21db8] - Added method for Connect subscriptions [ch4617] (#23) (Hassansin)

Rate limiting

• Add support for rate limiting (#21)

Fixes

• Remove schema from Stripe & Clearbit attributes [ch426] (#20)
• Dropped support of python 3.3

Add transaction_fees_in_cents

• Add customer_uuid in result of list_imported [ch543] (#16)
• Fix Customer.all() example in readme (#15)
• Add transaction_fees_in_cents [ch3025] (#19)

Optional timeout

• optional timeout to all requests (#14)
• integration tests

Invoices for merged customers

• [DP-495] Support invoices for merged customers (#12)