update map test. convert to printf. increase count to 1000 - maps are faster now. add cases for structure values as key and maps.
update map test.
convert to printf.
increase count to 1000 - maps are faster now.
add cases for structure values as key and maps.

R=rsc
DELTA=197  (66 added, 18 deleted, 113 changed)
OCL=21683
CL=21686
abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go