Start 0.4.0 development cycle. (census-instrumentation#271)

Author: g-easy

CMakeLists.txt

@@ -21,7 +21,7 @@ if(CCACHE_PROGRAM)
   set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK "${CCACHE_PROGRAM}")
 endif()
 
-project(opencensus-cpp VERSION 0.3.0 LANGUAGES CXX)
+project(opencensus-cpp VERSION 0.4.0 LANGUAGES CXX)
 
 set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)

opencensus/common/version.h

@@ -17,6 +17,6 @@
 
 // The current version of the opencensus core library. Macro to allow literal
 // string concatenation in constexpr statements.
-#define OPENCENSUS_VERSION "0.3.0-dev"
+#define OPENCENSUS_VERSION "0.4.0-dev"
 
 #endif  // OPENCENSUS_COMMON_VERSION_H_