diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc21e310..9525551b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,19 @@
 unreleased
 ==========
 
+version 1.3.1
+=============
+
+Released 2017-06-02
+
+## Fixed
+
+- configure script can handle relative path to source, when invoked
+
+- using case-insensitive string comparison when processing HTTP headers
+
+- examples now are built statically
+
 version 1.3
 ===========
 
diff --git a/config.h.cmake b/config.h.cmake
index 9e10a366..7a6e3e95 100644
--- a/config.h.cmake
+++ b/config.h.cmake
@@ -63,7 +63,7 @@
 #define PACKAGE_NAME "wampcc"
 
 /* Define to the full name and version of this package. */
-#define PACKAGE_STRING "wampcc 1.1.1"
+#define PACKAGE_STRING "wampcc 1.3.1"
 
 /* Define to the one symbol short name of this package. */
 #define PACKAGE_TARNAME "wampcc"
@@ -72,8 +72,7 @@
 #define PACKAGE_URL "  "
 
 /* Define to the version of this package. */
-#define PACKAGE_VERSION "1.1.1"
+#define PACKAGE_VERSION "1.3.1"
 
 
 #endif
-
diff --git a/configure.ac b/configure.ac
index e6a9d3ac..54a3852d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 
 #========== Initialisation ==========
 
-AC_INIT([wampcc], [1.3], [wampcc@darrenjs.net], [wampcc], [ ] )
+AC_INIT([wampcc], [1.3.1], [wampcc@darrenjs.net], [wampcc], [ ] )
 AC_PREREQ([2.59])
 
 AC_CONFIG_AUX_DIR([.])
@@ -83,10 +83,16 @@ AC_HEADER_STDBOOL
 AC_C_CONST
 AC_C_INLINE
 
+# The user provided 'srcdir' might be a relative or an absolute path, depending
+# on how the configure script was invoked. Here we obtain the absolute path to
+# the srcdir.
+wampcc_src_dir=`(cd "$srcdir"; pwd)`
 
-# log some directories know to configure
+# log some directories known to configure
 AC_MSG_NOTICE([notice srcdir: ${srcdir}])
 AC_MSG_NOTICE([notice prefix: ${prefix}])
+AC_MSG_NOTICE([notice ac_pwd: ${ac_pwd}])
+AC_MSG_NOTICE([notice wampcc_src_dir: ${wampcc_src_dir}])
 
 ##
 ## jalson - can either be included with the source code, or pulled in externally
@@ -95,7 +101,7 @@ AC_MSG_NOTICE([notice prefix: ${prefix}])
 
 AC_MSG_NOTICE([Using bundled jalson])
 internal_jalson=1
-jalsoninc="$srcdir/jalson/src"
+jalsoninc="$wampcc_src_dir"/jalson/src
 jalsonlib="../jalson/src"
 AC_SUBST(jalsoninc)
 AC_SUBST(jalsonlib)
diff --git a/examples/basic/basic_embedded_router.cc b/examples/basic/basic_embedded_router.cc
index 783cf332..fdf7307e 100644
--- a/examples/basic/basic_embedded_router.cc
+++ b/examples/basic/basic_embedded_router.cc
@@ -29,9 +29,13 @@ int main(int argc, char** argv)
 
     auto logger = wampcc::logger::stream(
         std::cout, wampcc::logger::levels_upto(wampcc::logger::eInfo), false);
+
     std::unique_ptr<wampcc::kernel> the_kernel(
         new wampcc::kernel({}, std::move(logger)));
 
+    the_kernel->get_logger().write(wampcc::logger::eInfo, wampcc::name_version(),
+                                   __FILE__, __LINE__);
+
     /* Create an embedded wamp router. */
 
     wampcc::wamp_router router(the_kernel.get());
diff --git a/examples/makefile b/examples/makefile
index cb145b05..1ea8ea3d 100644
--- a/examples/makefile
+++ b/examples/makefile
@@ -5,6 +5,10 @@
 # it under the terms of the MIT license. See LICENSE for details.
 #
 
+# comment-out these two lines to link to shared libs
+STATIC_LINK_BEGIN=-Wl,-Bstatic
+STATIC_LINK_END=-Wl,-Bdynamic
+
 ifeq ($(WAMPCC_HOME),)
  $(error WAMPCC_HOME undefined - set WAMPCC_HOME to where wampcc was make-installed)
 endif
@@ -28,7 +32,7 @@ JANSSON_LIBS=-L$(JANSSON_HOME)/lib -ljansson
 CXXFLAGS += -MMD -MP
 CXXFLAGS += -Wall -O0 -g3 -ggdb -std=c++11 -pthread   $(WAMPCC_INC) $(JALSON_INC) $(LIBUV_INC)
 
-LDLIBS +=$(WAMPCC_LIBS) $(LIBUV_LIBS) $(JALSON_LIBS) $(JANSSON_LIBS) -lcrypto -lpthread
+LDLIBS += $(STATIC_LINK_BEGIN) $(WAMPCC_LIBS) $(LIBUV_LIBS) $(JANSSON_LIBS) $(STATIC_LINK_END) -lcrypto -lpthread -lssl -lrt
 
 # default: callee
 
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 2071c9d8..491a4ffc 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -55,4 +55,4 @@ libwampcc_la_LIBADD  =  -lpthread -lssl -lcrypto $(libuvlib)
 # - REVISION: revision of current version. Incr. base on internal changes.
 # - AGE: indicates compatibilty with previous version of the shlib.
 #
-libwampcc_la_LDFLAGS =  -version-info 3:0:0
+libwampcc_la_LDFLAGS =  -version-info 3:1:0
diff --git a/lib/wampcc/kernel.h b/lib/wampcc/kernel.h
index c502dc9b..6aed237c 100644
--- a/lib/wampcc/kernel.h
+++ b/lib/wampcc/kernel.h
@@ -15,7 +15,7 @@
 /* Compile-time name & version */
 
 #define WAMPCC_MAJOR_VERSION 1
-#define WAMPCC_MINOR_VERSION 1
+#define WAMPCC_MINOR_VERSION 3
 #define WAMPCC_MICRO_VERSION 1
 
 namespace wampcc
diff --git a/lib/wampcc/platform.h b/lib/wampcc/platform.h
index fc3ad03a..24d08689 100644
--- a/lib/wampcc/platform.h
+++ b/lib/wampcc/platform.h
@@ -14,6 +14,13 @@
 #include <sys/time.h>
 #endif
 
+#ifdef _WIN32
+  #define snprintf _snprintf
+  #define vsnprintf _vsnprintf
+  #define strcasecmp _stricmp
+  #define strncasecmp _strnicmp
+#endif
+
 namespace wampcc
 {
 
diff --git a/lib/wampcc/protocol.h b/lib/wampcc/protocol.h
index 85d90fcb..47dfc69a 100644
--- a/lib/wampcc/protocol.h
+++ b/lib/wampcc/protocol.h
@@ -173,7 +173,7 @@ class selector_protocol : public protocol
 
   const char* name() const override { return NAME; }
 
-  void send_msg(const json_array& j) override
+  void send_msg(const json_array&) override
   {
     throw std::runtime_error("selector_protocol cannot send");
   }
diff --git a/lib/websocket_protocol.cc b/lib/websocket_protocol.cc
index 3db3fbb1..1367a872 100644
--- a/lib/websocket_protocol.cc
+++ b/lib/websocket_protocol.cc
@@ -7,6 +7,7 @@
 
 #include "wampcc/websocket_protocol.h"
 
+#include "wampcc/platform.h"
 #include "wampcc/utils.h"
 #include "wampcc/tcp_socket.h"
 #include "wampcc/http_parser.h"
@@ -65,14 +66,17 @@ inline std::string make_accept_key(const std::string& challenge)
 }
 
 
-static bool string_list_contains(const std::string & source,
-                                 const std::string & match)
+/* Test whether a HTTP header contains a desired value.  Note that when checking
+ * request and response headers, we are generally case
+ * insensitive. I.e. according to RFC2616, all header field names in both HTTP
+ * requests and HTTP responses are case-insensitive. */
+static bool header_contains(const std::string & source,
+                            const std::string & match)
 {
-
   for (auto & i : tokenize(source.c_str(), ',', true))
   {
     std::string trimmed = trim(i);
-    if (trimmed == match)
+    if (strcasecmp(trimmed.c_str(), match.c_str())==0)
       return true;
   }
   return false;
@@ -226,9 +230,9 @@ void websocket_protocol::io_on_read(char* src, size_t len)
         {
           if ( m_http_parser->is_upgrade() &&
                m_http_parser->has("Upgrade") &&
-               string_list_contains(m_http_parser->get("Upgrade"), "websocket") &&
+               header_contains(m_http_parser->get("Upgrade"), "websocket") &&
                m_http_parser->has("Connection") &&
-               string_list_contains(m_http_parser->get("Connection"), "Upgrade") &&
+               header_contains(m_http_parser->get("Connection"), "Upgrade") &&
                m_http_parser->has("Sec-WebSocket-Key") &&
                m_http_parser->has("Sec-WebSocket-Version") )
           {
@@ -353,9 +357,9 @@ void websocket_protocol::io_on_read(char* src, size_t len)
         {
           if ( m_http_parser->is_upgrade() &&
                m_http_parser->has("Upgrade") &&
-               string_list_contains(m_http_parser->get("Upgrade"), "websocket") &&
+               header_contains(m_http_parser->get("Upgrade"), "websocket") &&
                m_http_parser->has("Connection") &&
-               string_list_contains(m_http_parser->get("Connection"), "Upgrade") &&
+               header_contains(m_http_parser->get("Connection"), "Upgrade") &&
                m_http_parser->has("Sec-WebSocket-Accept")  &&
                m_http_parser->http_status_phrase() == "Switching Protocols" &&
                m_http_parser->http_status_code() == http_parser::status_code_switching_protocols)