Packages which tries to create an instance of a class is not accepted by Icarus.
This is now fixed in the master branch.
Parameters defined in package not seen in Verilog module imported it
This is now fixed in the master branch. The fix is unlikely to be backported to the v10 branch as it is the result of a significant rework of the parser.
segmentation fault
I have confirmed this bug was present in v10.1 but has already been fixed. v10.3 does not exhibit this fault.
VPI compile on Mac OSX
No problem, and sorry it took so long to respond to this one.