Uro

- `--whitelist` and `--blacklist` options to keep/remove certain extensions
- `--filter` option for finer control over output
- `-i/--input` and `-o/--output` options to read/write to files instead of stdin/stdout
- refactored codebase for modularity

- hotfix for uro crashing in windows

- removed redundant imports and code
- added more extensions to blacklist
- less memory and time consumption
- fixed 'broken pipe' error when piping the output to utilities like `head`
- fixed an error where similar urls were not getting filtered when they had any parameters

- Blacklisted `svg` & `gif` extensions
- Fixed regex meta characters causing error