update compatibility note

add witness_v1 output test

implement support for dynamic decryption algorithms

update dependencies + version bump

merge fix

Prepare for 1.1.14

Use low R signatures by default
Update tests
Update package dependencies
Disallow Python 3.0-3.4 given dependencies

add package description

python3 compatibility fixes, ecdsa update, version bump

prevent inadvertent passing of pin + test for python2.7

lock dependency versions + version bump