Merge pull request #3 from jjerphan/jjerphan-patch-1

Some suggestion from a reader/user

README.md

@@ -112,7 +112,7 @@ The dark red `S(GIL)` blocks indicate the threads/processes are in a waiting sta
 
 Although it is possible to do both:
 ```
-$ giltracer --no-gil-detect --state-detect -m per4m.example2
+$ giltracer --state-detect -m per4m.example2
 ```
 
 ![image](https://user-images.githubusercontent.com/1765949/102507696-d8acdc00-4084-11eb-8fed-0b75c88906c4.png)

setup.py

@@ -18,6 +18,7 @@ setup(
     license=license,
     use_scm_version=True,
     setup_requires=['setuptools_scm'],
+    install_requires=['tabulate'],
     ext_modules=[Extension("per4m.pytrace", ["per4m/pytrace.cpp", "per4m/probes.cpp"],
                           extra_compile_args=extra_compile_args)],
     entry_points={