Setting to 8 yields alerts between 20-30 seconds apart which is better for the demo experience.
Merge pull request #3 from radiusinc/alert_max_set_to_8

Setting to 8 yields alerts between 20-30 seconds apart which is better f...
updated version control metadata for xcode'
invalid for all types out of bounds
checkpoint chunked reads with row data working
checkpoing location and row data working