ObjFW  Tags and Properties

Tags and Properties for Check-in 5769ce64b3

Context
2020-07-18
22:54
Add objc_setTaggedPointerSecret() to Amiga linklib check-in: 5769ce64b3 user: js tags: tagged-pointers
2020-06-29
19:42
runtime: Add helper functions for tagged pointers check-in: a964d3dcb4 user: js tags: tagged-pointers