Use Cwd::utf8 to cope with returning string ut8-ness

* Use Cwd::utf8
* Sort cpanfile require, remove duplicates, add Cwd::utf8
* Add check on first call of abs_path()

cpanfile

@@ -1,14 +1,15 @@
-requires 'local::lib';
-requires 'JSON';
-requires 'Hailo';
-requires 'Telegram::Bot';
+requires 'Cwd::utf8';
 requires 'DB_File';
 requires 'Digest::MD5';
 requires 'Encode';
-requires 'File::Path';
 requires 'File::Basename';
+requires 'File::Path';
 requires 'HTTP::Tiny';
 requires 'Hailo';
+requires 'JSON';
 requires 'JSON::XS';
+requires 'JSON::PP';
 requires 'Mojo::Base';
+requires 'Telegram::Bot';
 requires 'URI::URL';
+requires 'local::lib';