bump API to 1.3
diff --git a/cs.c b/cs.c
index 7cc3528..100cf88 100644
--- a/cs.c
+++ b/cs.c
@@ -29,7 +29,7 @@
 #include "utils.h"
 
 #define VERSION_MAJOR 1
-#define VERSION_MINOR 2
+#define VERSION_MINOR 3
 
 cs_err cs_errno(csh handle)
 {