Fix acme certificate on domain

wo/core/acme.py

@@ -172,7 +172,7 @@ class WOAcme:
         reader = csv.reader(certfile, 'acmeconf')
         for row in reader:
             # check if domain exist
-            if wo_domain_name in row[0]:
+            if wo_domain_name == row[0]:
                 # check if cert expiration exist
                 if not row[3] == '':
                     return True

wo/core/variables.py

@@ -149,7 +149,12 @@ class WOVar():
     wo_mysql = ["mariadb-server", "percona-toolkit"]
     if wo_distro == 'raspbian':
         wo_mysql = wo_mysql + ["python3-mysqldb"]
+        if wo_platform_codename == 'stretch':
+            mariadb_ver = '10.1'
+        else:
+            mariadb_ver = '10.3'
     else:
+        mariadb_ver = '10.3'
         if wo_platform_codename == 'jessie':
             wo_mysql = wo_mysql + ["python3-mysql.connector"]
         else: