ObjFW  Tags and Properties

Tags and Properties for Check-in c4a12e3fa1

Context
2020-06-30
20:52
Merge trunk into branch "tagged-pointers" check-in: c4a12e3fa1 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