Merge pull request #83 from alexlnkp/pr-optimization

fixes for all operating systems + lazyimporting

LazyImport.py

@@ -0,0 +1,13 @@
+from importlib.util import find_spec, LazyLoader, module_from_spec
+from sys import modules
+
+def lazyload(name):
+    if name in modules:
+        return modules[name]
+    else:
+        spec = find_spec(name)
+        loader = LazyLoader(spec.loader)
+        module = module_from_spec(spec)
+        modules[name] = module
+        loader.exec_module(module)
+        return module