Use early exit for --help and --version options.

CMakeLists.txt

@@ -24,6 +24,7 @@ set(HEADERS
     src/base/io/Watcher.h
     src/base/kernel/interfaces/IConfigListener.h
     src/base/kernel/interfaces/IWatcherListener.h
+    src/base/kernel/Entry.h
     src/base/kernel/Process.h
     src/base/tools/Arguments.h
     src/base/tools/Handle.h
@@ -106,6 +107,7 @@ set(SOURCES
     src/App.cpp
     src/base/io/Json.cpp
     src/base/io/Watcher.cpp
+    src/base/kernel/Entry.cpp
     src/base/kernel/Process.cpp
     src/base/tools/Arguments.cpp
     src/base/tools/Handle.cpp