Merge pull request #49 from jlipps/master

add option to just loop infinitely without contacting command proxy
1.7.3
1.7.4
use our custom alert methods to handle alerts (fixes ios8 alerts)
1.7.5
rewrite predicate search loop; $.each is a special-purpose thing and doesn't work in this case
ignore webviews in recursive predicate lookups; they're too expensive