added SNOTEL SID type
RequestQueue result array keys are now sequential after execution
results that implement Iterator rewind themselves on initialization
detabify
minor tweaks for _misc.php
sidsTable() supports muliple site IDs per network type
renamed ACIS_sidsTable to ACIS_decodeSids
added AWDN network type to ACIS_decodeSids
unknown network types no longer causes an exception
added sidsDecode() test for invalid SID
replaced regex in decodeSids() with simple split
renamed test_acis.php to run_tests.php
v0.2.1