Update authors and license.

LICENSE

@@ -1,6 +1,8 @@
 MIT License
 
-Copyright (c) 2019 Markus Quade
+Copyright (c) for portions of project PySINDy are held by Markus Quade, 2019 as
+part of project sparsereg. All other copyright for project PySINDy are held by
+Brian de Silva and Kathleen Champion 2019.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

setup.py

@@ -3,13 +3,13 @@
 from setuptools import find_packages, setup
 
 
-assert sys.version_info >= (3, 6, 0), "sindy requires Python 3.6+"
+assert sys.version_info >= (3, 6, 0), "PySindy requires Python 3.6+"
 
 NAME = "pysindy"
 DESCRIPTION = "Sparse Identification of Nonlinear Dynamics"
 URL = "https://github.com/dynamicslab/pysindy"
-EMAIL = "[email protected]"
-AUTHOR = "Brian de Silva"
+EMAIL = "[email protected], [email protected], [email protected]"
+AUTHOR = "Brian de Silva, Kathleen Champion, Markus Quade"
 PYTHON = ">=3.6"
 LICENSE = "MIT"
 CLASSIFIERS = [