update requirements.txt

requirements.txt

@@ -4,5 +4,6 @@ numpy
 Flask
 react
 pytest
-trange
-pygad
\ No newline at end of file
+tqdm
+pygad
+matplotlib
\ No newline at end of file

test/README.md

-Type
-`pytest`
-in main directory to run all tests in this directory.
\ No newline at end of file
+This directory contatins all unit tests and integration tests for this project,
+including for the library and the web-app.
+
+Use command `pytest` in main directory to run all tests in this directory.
\ No newline at end of file