v1.16.0

• Use a local variable instead of modifying config.url (8abf4a5)
• Add networkErrorOnce and timeoutOnce (4a0e874)
• Check for functions with typeof (0901797)
• Implement redirect mocking (447c64b)
• Add list as an http verb (3aaa145)
• Improved TypeScript type definitions (592b400, 027a821, 677f1f1)