Use Buffer.alloc(), Buffer.allocUnsafe(), or Buffer.from() over new Buffer()

[pixtron]

Describe the change

The initialization of a Buffer via new Buffer() has been deprecated in node.js

Current situation

Buffers are initialized via new Buffer()

Should

Change to Buffer.alloc(), Buffer.allocUnsafe(), or Buffer.from()

Additional context

(node:60578) [DEP0005] DeprecationWarning: Buffer() is deprecated due to security and usability issues. Please use the Buffer.alloc(), Buffer.allocUnsafe(), or Buffer.from() methods instead.

See #236