QA output created by 285
=== dso and daemon handle indom ops the same way? ===

dbpmda> open dso SAMPLEDSO sample_init 30
dbpmda> instance 30.1
pmInDom: 30.1
[  0] inst: 0 name: "red"
[  1] inst: 1 name: "green"
[  2] inst: 2 name: "blue"
dbpmda> instance 30.1 0
pmInDom: 30.1
[  0] name: "red"
dbpmda> instance 30.1 "red"
pmInDom: 30.1
[  0] inst: 0

dbpmda> open pipe $PCP_PMDAS_DIR/sample/pmdasample -d 30
Start pmdasample PMDA: $PCP_PMDAS_DIR/sample/pmdasample -d 30
dbpmda> instance 30.1
pmInDom: 30.1
[  0] inst: 0 name: "red"
[  1] inst: 1 name: "green"
[  2] inst: 2 name: "blue"
dbpmda> instance 30.1 0
pmInDom: 30.1
[  0] name: "red"
dbpmda> instance 30.1 "red"
pmInDom: 30.1
[  0] inst: 0

Differences ... expect none after the "open" processing
1c1,2
< dbpmda> open dso SAMPLEDSO sample_init 30
---
> dbpmda> open pipe $PCP_PMDAS_DIR/sample/pmdasample -d 30
> Start pmdasample PMDA: $PCP_PMDAS_DIR/sample/pmdasample -d 30

=== IPC-PDU version botch for second PMDA? ===
dbpmda> open dso SAMPLEDSO sample_init 30
dbpmda> open pipe $PCP_PMDAS_DIR/sample/pmdasample -d 29
Start pmdasample PMDA: $PCP_PMDAS_DIR/sample/pmdasample -d 29