4.0.0 (2017-08-04)

• #9 minimal supported version is PHP 7.1
• #9 DateTime replaced with DateTimeImmutable (or DateTimeInterface)
• #9 strict types and primitive typehints are used everywhere

3.0.0

Drop PHP <7 support

2.3.0

release 2.3.0

2.2.0 (2016-03-13)

#2: added Kdyby/CurlCaBundle as an optional dependency (@mhujer)

2.1.0 (2016-03-12)

#1: updated default GeoTrust certificate (@Soukiii)
#1: added specification field in transaction (@Soukiii)