Merge branch 'release/0.2.5' into develop

* release/0.2.5:
  update version
add new tests
Update docs badge in README

Update the URL of the docs badge to include it from inch-ci.org instead of inch-pages.github.io (the former being the successor of the Inch Pages project).

[ci skip]
update english to 10 ** 66 - 1
add random test for english
Merge branch 'feature/add_random_test_for_english' into develop

* feature/add_random_test_for_english:
  add random test for english
  update english to 10 ** 66 - 1
version update
Merge branch 'release/0.2.6'

* release/0.2.6:
  version update
  add random test for english
  update english to 10 ** 66 - 1
  Update docs badge in README
  add new tests