diff --git a/CHANGELOG b/CHANGELOG
index 83c820a..bc8e748 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,8 +1,28 @@
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
-and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+and this project does not adhere to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
 
+### Added
+
+### Changed
+
+### Fixed
+
+## [19.04] - 2019-04-25
+
+### Added 
+
+* IS_EVOBACKUP_INCS
+
+### Changed
+
+* change versioning scheme : year.month.patch
+* extracts tests into functions
+* add verbose and quiet modes
+* add usage output on error
+* add braces and quotes
+
 ## [0.13] - 2018-04-10
 
 ### Added
@@ -32,45 +52,45 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ### Added
 
-  * Bunch of new checks:                                                   
-    IS_PRIVKEYWOLRDREADABLE                                                
-    IS_EVOLINUXSUDOGROUP                                                   
-    IS_USERINADMGROUP                                                      
-    IS_APACHE2EVOLINUXCONF    
-    IS_BACKPORTSCONF                       
-    IS_BIND9MUNIN                         
-    IS_BIND9LOGROTATE                      
-    IS_BROADCOMFIRMWARE                                                 
+  * Bunch of new checks:
+    IS_PRIVKEYWOLRDREADABLE
+    IS_EVOLINUXSUDOGROUP
+    IS_USERINADMGROUP
+    IS_APACHE2EVOLINUXCONF
+    IS_BACKPORTSCONF
+    IS_BIND9MUNIN
+    IS_BIND9LOGROTATE
+    IS_BROADCOMFIRMWARE
     IS_HARDWARERAIDTOOL
-    IS_LOG2MAILSYSTEMDUNIT                                              
+    IS_LOG2MAILSYSTEMDUNIT
     IS_LISTUPGRADE
-    IS_MARIADBEVOLINUXCONF              
+    IS_MARIADBEVOLINUXCONF
     IS_MARIADBSYSTEMDUNIT
-    IS_MYSQLMUNIN             
-    IS_PHPEVOLINUXCONF        
-    IS_SQUIDLOGROTATE                      
-    IS_SQUIDEVOLINUXCONF        
-    IS_SQL_BACKUP                          
-    IS_POSTGRES_BACKUP                    
-    IS_LDAP_BACKUP                         
-    IS_REDIS_BACKUP                       
-    IS_ELASTIC_BACKUP                                               
+    IS_MYSQLMUNIN
+    IS_PHPEVOLINUXCONF
+    IS_SQUIDLOGROTATE
+    IS_SQUIDEVOLINUXCONF
+    IS_SQL_BACKUP
+    IS_POSTGRES_BACKUP
+    IS_LDAP_BACKUP
+    IS_REDIS_BACKUP
+    IS_ELASTIC_BACKUP
     IS_MONGO_BACKUP
-    IS_MOUNT_FSTAB                                                  
+    IS_MOUNT_FSTAB
     IS_NETWORK_INTERFACES
 
 ### Changed
 
-  * IS_UPTIME added in --cron mode                                          
-  * is_pack_web() for Stretch           
-  * IS_DPKGWARNING for Stretch                                              
+  * IS_UPTIME added in --cron mode
+  * is_pack_web() for Stretch
+  * IS_DPKGWARNING for Stretch
   * IS_MOUNT_FSTAB is disabled if lsblk not available
-  * IS_MINIFWPERMS for Stretch                                      
+  * IS_MINIFWPERMS for Stretch
   * IS_SQUID for Stretch
-  * IS_LOG2MAILAPACHE for Stretch                                   
+  * IS_LOG2MAILAPACHE for Stretch
   * IS_AUTOIF for Stretch
   * IS_UPTIME warn if uptime is more thant 2y, was 1y
   * IS_NOTUPGRADED warn if last upgrade is older than 90d, was 30d
-  * IS_TUNE2FS_M5 use python in place of bc for calculation               
+  * IS_TUNE2FS_M5 use python in place of bc for calculation
   * IS_EVOMAINTENANCEUSERS for Stretch
-  * IS_EVOMAINTENANCECONF check also the mode of the file (600)           
+  * IS_EVOMAINTENANCECONF check also the mode of the file (600)
diff --git a/evocheck.sh b/evocheck.sh
index f0cf1ce..5a8e548 100755
--- a/evocheck.sh
+++ b/evocheck.sh
@@ -315,7 +315,7 @@ check_nrpeperms() {
 }
 check_minifwperms() {
     if [ -f "$MINIFW_FILE" ]; then
-        actual=$(stat --format "%a" $MINIFW_FILE)
+        actual=$(stat --format "%a" "$MINIFW_FILE")
         expected="600"
         test "$expected" = "$actual" || failed "IS_MINIFWPERMS"
     fi
@@ -1102,7 +1102,7 @@ check_evobackup_incs() {
     if is_installed bkctld; then
         bkctld_cron_file=${bkctld_cron_file:-/etc/cron.d/bkctld}
         if [ -f "${bkctld_cron_file}" ]; then
-            root_crontab=$(grep -v "^#" ${bkctld_cron_file})
+            root_crontab=$(grep -v "^#" "${bkctld_cron_file}")
             echo "${root_crontab}" | grep -q "bkctld inc" || failed "IS_EVOBACKUP_INCS" "\`bkctld inc' is missing in ${bkctld_cron_file}"
             echo "${root_crontab}" | grep -q "check-incs.sh" || failed "IS_EVOBACKUP_INCS" "\`check-incs.sh' is missing in ${bkctld_cron_file}"
         else
@@ -1343,7 +1343,7 @@ readonly PROGDIR=$(realpath -m "$(dirname "$0")")
 # shellcheck disable=2124
 readonly ARGS=$@
 
-readonly VERSION="0.14.0.beta2"
+readonly VERSION="19.04"
 
 # Disable LANG*
 export LANG=C
@@ -1396,4 +1396,5 @@ while :; do
     shift
 done
 
+# shellcheck disable=SC2086
 main ${ARGS}