fix: CMakeLists.txt && documentation

CMakeLists.txt

@@ -14,7 +14,15 @@ option(BUILD_TESTS "when set to ON, build unit tests" OFF)
 include_directories(.)
 
 if(BUILD_TESTS)
-include(import/FetchGoogleTest.cmake)
+
+find_package(googletest QUIET)
+include(FetchContent)
+FetchContent_Declare(
+    googletest
+    URL https://github.com/google/googletest/archive/609281088cfefc76f9d0ce82e1ff6c30cc3591e5.zip
+)
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+FetchContent_MakeAvailable(googletest)
 
 if(UNIX)
     add_compile_options(-Wall -Wextra -Weffc++)

README.md

@@ -46,7 +46,7 @@ lib.open("./dynamic_lib", dylib::extension);
 Load a dynamic library into the object. If a dynamic library was already opened, it will be unloaded and replaced  
 
 `close`  
-Close the dynamic library currently loaded in the object. This function will be automatically called by the class destructor
+Unload the dynamic library currently loaded in the object. This function will be automatically called by the class destructor
 ```c++
 // Load ./dynamic_lib.so
 
@@ -56,7 +56,7 @@ dylib lib("./dynamic_lib.so");
 
 lib.open("./other_dynamic_lib.so");
 
-// Close ./other_dynamic_lib.so
+// Unload ./other_dynamic_lib.so
 
 lib.close();
 ```