Added ability to comment out lines in site list; fixed message being sent even when there are no problems

http_check_telegram

@@ -58,7 +58,7 @@ MSG='HTTP/S Problems Found:'
 FAILURE=false
 
 # Check HTTP codes
-for site in $(< $CHKLIST); do
+for site in $(grep -v "^#\|^$" $CHKLIST); do
     respcode=$(get_http_code $site)
     case $respcode in
         000)
@@ -81,7 +81,9 @@ for site in $(< $CHKLIST); do
 done || exit 2
 
 # Send compiled message if any problems were found
-send_message "$MSG" && printf '%s\n' "Problems found. Message sent via Telegram bot" >&2 || printf '%s\n' "Problems found. Message sending has failed"
+if [ "$FAILURE" = "true" ]; then
+    send_message "$MSG" && printf '%s\n' "Problems found. Message sent via Telegram bot" >&2 || printf '%s\n' "Problems found. Message sending has failed"
+fi
 
 exit 0