fixed whitespace-stripping, replace all whitespace in domains.txt entries with...

fixed whitespace-stripping, replace all whitespace in domains.txt entries with single space character (fixes #60 and #78)

letsencrypt.sh

@@ -377,7 +377,7 @@ command_sign_domains() {
   fi
 
   # Generate certificates for all domains found in domains.txt. Check if existing certificate are about to expire
-  <"${DOMAINS_TXT}" sed 's/^[[:space:]]*//g;s/[[:space:]]*$//g' | (grep -vE '^(#|$)' || true) | while read -r line; do
+  <"${DOMAINS_TXT}" sed -E -e 's/^[[:space:]]*//g' -e 's/[[:space:]]*$//g' -e 's/[[:space:]]+/ /g' | (grep -vE '^(#|$)' || true) | while read -r line; do
     domain="$(printf '%s\n' "${line}" | cut -d' ' -f1)"
     morenames="$(printf '%s\n' "${line}" | cut -s -d' ' -f2-)"
     cert="${BASEDIR}/certs/${domain}/cert.pem"