* replace shell based urlencoder with an awk variant
* fix write_log function/syslog output in case of an error
* protect answer string with double quotes in update_route53
* remove bogus set/IFS options in update_route53
* clean-up update_route53 a little bit
This patchset finally fix#6977
Many thanks to @mark0n & @a-bali for testing & debugging
Signed-off-by: Dirk Brenken <dev@brenken.org>