Rewrote get_host_addr() to use getaddrinfo().
Added function remove_host_from_list().
Renamed:
    struct monitor_host -> struct host_entry
    hosts -> first_host_in_list

Minor rewriting of gcd().

Eliminated send_delay global (file) variable.

Rewrote tv_sub()

Rewrote in_cksum().

Not removing the send_delay variable.

Consolidated the dual-types (linked list + array of structs) of hosts into a pure linked list.

Misc minor updates.

Removed sent and received packet counters since they were unused.

Expanded print_usage() info for user.
General cleanup.

Changed a few names to consistently use underscores.

Replaced homebrew config file parsing with iniparser library.
Updated and simplified Makefile.
Updated and consolidated LICENSE.

Changed `keepBanging` global to `retry_down_cmd`. Misc cleanup.

Changed `int isVerbose` global to `bool verbose`.

Removed 'ident' global from icmpmonitor.c.

Reordered functions to eliminate declarations.
Combined up,down in host struct into hostup bool.
Eliminated trailing whitespace.

General cleanup while reading through icmpmonitor.c.

Removed return codes from icmpmonitor.c.

Removed done() from icmpmonitor.c.

Removed log() from icmpmonitor.c.

Clearer GCD function in icmpmonitor.c.

Removed daemonization and syslog capabilities from icmpmonitor.c.

Fixing a typo in the top comment of icmpmonitor.c.

Flattening #defines and general cleanup in icmpmonitor.c.

First step in consolidating license info into a single file.

Fixed include files to eliminate compile warnings.

First hack-and-slash cleanup.

Initial commit of `icmpmonitor-1.2` from crocodile.org/software.html