bump version to 1.0.1

configure.ac

 AC_PREREQ(2.64)
 
 AC_INIT([protobuf-c],
-        [1.0.0],
+        [1.0.1],
         [https://github.com/protobuf-c/protobuf-c/issues],
         [protobuf-c],
         [https://github.com/protobuf-c/protobuf-c])

protobuf-c/protobuf-c.h

@@ -763,13 +763,13 @@ protobuf_c_version_number(void);
  * The version of the protobuf-c headers, represented as a string using the same
  * format as protobuf_c_version().
  */
-#define PROTOBUF_C_VERSION		"1.0.0"
+#define PROTOBUF_C_VERSION		"1.0.1"
 
 /**
  * The version of the protobuf-c headers, represented as an integer using the
  * same format as protobuf_c_version_number().
  */
-#define PROTOBUF_C_VERSION_NUMBER	1000000
+#define PROTOBUF_C_VERSION_NUMBER	1000001
 
 /**
  * The minimum protoc-c version which works with the current version of the