logging: Add ability to save/print current log filters
This enables the persistent configuration of let's say
'log filter imsi 012345678' for a given log file in the config
file.
diff --git a/src/Makefile.am b/src/Makefile.am
index 841f672..f2b1b83 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,6 +1,6 @@
# This is _NOT_ the library release version, it's an API version.
# Please read Chapter 6 "Library interface versions" of the libtool documentation before making any modification
-LIBVERSION=4:0:0
+LIBVERSION=5:0:0
AM_CFLAGS = -Wall $(all_includes) -I$(top_srcdir)/include -I$(top_builddir)/include