Predict satellite visibility using Astro::Coord::ECI

Changes for 0.050_02 - 2023-09-04

• Without DateTime, ParseTime::ISO8601 accepts any zone. These are handled by setting $ENV{TZ} before the conversion and hoping for the best. The documentation warns that this is a shaky way to handle zones.
• Make Warner->wail() stack dump if $Carp::Verbose true.