Update revision history and version number

Author: timkimber

getssl

@@ -218,10 +218,12 @@
 # 2020-03-12 Fix bug with DNS validation and multiple domains (#524)
 # 2020-03-24 Find primary ns using all dns utils (dig, host, nslookup)
 # 2020-03-23 Fix staging server URL in domain template (2.21)
+# 2020-03-30 Fix error message find_dns_utils from over version of "command"
+# 2020-03-30 Fix problems if domain name isn't in lowercase (2.22)
 # ----------------------------------------------------------------------------------------
 
 PROGNAME=${0##*/}
-VERSION="2.21"
+VERSION="2.22"
 
 # defaults
 ACCOUNT_KEY_LENGTH=4096