New feature and some bugfixes concerning span based context extension
diff --git a/src/main/resources/log4j.properties b/src/main/resources/log4j.properties
index af72c2d..5050e55 100644
--- a/src/main/resources/log4j.properties
+++ b/src/main/resources/log4j.properties
@@ -9,8 +9,8 @@
 #log4j.logger.de.ids_mannheim.korap.query.SpanNextQuery = TRACE, stdout
 #log4j.logger.de.ids_mannheim.korap.query.spans.NextSpans = TRACE, stdout
 #log4j.logger.de.ids_mannheim.korap.query.spans.SimpleSpans = TRACE, stdout
-# log4j.logger.de.ids_mannheim.korap.query.spans.ClassSpans = TRACE, stdout
-# log4j.logger.de.ids_mannheim.korap.query.spans.MatchSpans = TRACE, stdout
+#log4j.logger.de.ids_mannheim.korap.query.spans.ClassSpans = TRACE, stdout
+#log4j.logger.de.ids_mannheim.korap.query.spans.MatchSpans = TRACE, stdout
 
 # Collections
 #log4j.logger.de.ids_mannheim.korap.KorapFilter = TRACE, stdout
@@ -18,12 +18,11 @@
 
 
 # Results:
-# log4j.logger.de.ids_mannheim.korap.KorapIndex = TRACE, stdout
+#log4j.logger.de.ids_mannheim.korap.KorapIndex = TRACE, stdout
 #log4j.logger.de.ids_mannheim.korap.KorapMatch = TRACE, stdout
 #log4j.logger.de.ids_mannheim.korap.index.PositionsToOffset = TRACE, stdout
 
 #log4j.logger.de.ids_mannheim.korap.index.TestSegmentIndex = TRACE, stdout
-
 #log4j.logger.de.ids_mannheim.korap.analysis.MultiTermTokenStream = TRACE, stdout
 
 log4j.appender.stdout=org.apache.log4j.ConsoleAppender