Squish some warnings

Use heatseekers hack to copy the fd to /dev/tty to stdin

Rename path to file and work with the file descriptor

Remove bogus 'printable' method

Let the TTY limit printing chars itself

Move printing of individual text elements back to text mod

Panic instead of returning a dummy value

Fix not running tests due to the wrong annotation

Collaps case where scrolling down starts at the top again

Allow the Text elements to be consumed by iterator

Fix indexing issues when scrolling up and down

Fix warnings about dropping mutability for search

Get rid of stainless, update deps and rust version

Create a makefile for easy install/reinstall/remove

Use git master for stainless