scylla-gdb.py: Add std::array wrapper which allows iteration
scylla-gdb.py: Add std::array wrapper which allows iteration

kjniemi/scylla,scylladb/scylla,raphaelsc/scylla,raphaelsc/scylla,scylladb/scylla,avikivity/scylla,duarten/scylla,avikivity/scylla,kjniemi/scylla,avikivity/scylla,duarten/scylla,kjniemi/scylla,scylladb/scylla,scylladb/scylla,raphaelsc/scylla,duarten/scylla