add islower/isupper functions (#196)

* add islower/isupper functions * added test * more tests + bugfix * Makefile fix * rm iscase test on make clean
2020-08-25 16:42:59 -04:00
parent 08f9999a06
commit 5622a0a51b
9 changed files with 7440 additions and 5851 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -26,6 +26,7 @@
 /test/valid
 /test/iterate
 /test/case
+/test/iscase
 /test/custom
 /tmp/
 /mingw_static/