Fix LICENSE document
A copy of GPL3 was grabbed for the LICENSE boilerplate, even though the code was written as GPL-2.0-or-later. Make it consistent with the code.
Closes: #5 (closed) Closes: #11 (closed)
A copy of GPL3 was grabbed for the LICENSE boilerplate, even though the code was written as GPL-2.0-or-later. Make it consistent with the code.
Closes: #5 (closed) Closes: #11 (closed)