added test cases from SO
treeabf555756be2baf8959e2ddf3218382310d40783
-rwxr-xr-x 82 .gitignore
-rwxr-xr-x 1372 .travis.yml
drwxr-xr-x - AUTHORS
-rw-r--r-- 1116 CHANGELOG.asciidoc
-rw-r--r-- 3142 CODE_OF_CONDUCT.asciidoc
-rwxr-xr-x 1774 CONTRIBUTING.asciidoc
-rwxr-xr-x 7048 LICENSE
-rwxr-xr-x 3100 Makefile
-rwxr-xr-x 15904 README.asciidoc
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drwxr-xr-x - src