Introduce new type: MastodonDate
This type replaces the previous 'ActivityTime' since this weird
timestamp format is now used by several Mastodon API endpoints...
1a311b0316d25f0e9bbced4fa50718c7ca1528eb v1.4.1
3490817942325d523774aaa2bf17bb33fad909e7 v1.4.2
61cc08974a283f7a96aa09e13237eb04f74e0c1e v1.4.3
6e9d927d5e326728026756e8f3294e51f4c1831a v1.2.0
87eda713b6144e258372c1007f3f27c3f6a8f9bc v1.6.0
9aa1cb3e1dee50be04fd02db55c658098f7a4c43 v2.3.0
b2cee3fad4fe0723e614e3f39c846b0c8e210cdc v1.4.0
bc53768d9c8c97978946507a445d2e7aca17a5a8 v1.3.0
d7ccfe67fa9e34c8c356981911edf99ec9a2be45 v1.0
df8e8ca96e1a3bb811c9671d4e260629fc9af6bf v1.1.1
f87b6ca9de6d1e1455ae30e8129ca3985305a6b3 v1.1.0
fbe21b4aabda8c4039c2c75fd9901202b40308a0 v1.5.0