[#59] Fix simpleapi/stresstest subtest now that stresstest.c does database updates which means database timer pops can happen in read() system call and so EINTR return case needs to be handled
[#59] Fix simpleapi/stresstest subtest now that stresstest.c does database updates which means database timer pops can happen in read() system call and so EINTR return case needs to be handled

nars1/YottaDBtest,nars1/YottaDBtest,nars1/YottaDBtest,nars1/YottaDBtest,nars1/YottaDBtest,nars1/YottaDBtest