Refactored CMakeLists.txt

* new pip_module() macro
 * fixed exports
 * automatic gather all exports and pass them to Doxygen and PICodeParser

tests/CMakeLists.txt

@@ -1,9 +1,10 @@
 include(DownloadGTest)
 
 macro(pip_test NAME LIBS)
-	gather_src("${NAME}" CPP_${NAME}_TEST _T_H _T_PH)
+	file(GLOB _CPPS "${NAME}/*.cpp")
+	file(GLOB _HDRS "${NAME}/*.h")
 	set(_target pip_${NAME}_test)
-	add_executable(${_target} ${CPP_${NAME}_TEST})
+	add_executable(${_target} ${_CPPS} ${_HDRS})
 	target_link_libraries(${_target} pip ${LIBS} gtest_main gmock_main)
 	add_test(NAME ${_target} COMMAND tests)
 	add_custom_target(${_target}_perform ALL COMMAND ${_target})