changed jasn1 dependency to jasn1-iec61850mod so that boolean true values are coded as 0x01 instead of 0xff because it is need by some devices

configuration.gradle

@@ -83,7 +83,7 @@ def projectName = 'OpenIEC61850'
 
 dependencies {
   compile group: 'org.slf4j', name: 'slf4j-api', version: '1.7.25'
-  compile group: 'org.openmuc', name: 'jasn1', version: '1.10.0'
+  compile group: 'org.openmuc', name: 'jasn1-iec61850mod', version: '1.10.0'
   compile group: 'ch.qos.logback', name: 'logback-classic', version: '1.2.3'
   compile group: 'com.toedter', name: 'jcalendar', version: '1.4'
 }