* Adds example

* Reference examples in README

It is not necessary since `bytes` ships with the compiler.

Signed-off-by: Alessandro-Barbieri <lssndrbarbieri@gmail.com>

Remove [v] prefix

Signed-off-by: Rudi Grinberg <rudi.grinberg@gmail.com>

port to dune and opam 2.0

Jbuilder

qcheck package is deprecated, use qtest instead

see https://github.com/c-cube/qcheck/commit/d51078abc96c129a27dffb22ce9fcf86923c6a87

See ocaml/opam-repository#6330.

thanks to @edwintorok

trimming wouldn't stop once a non-trim char was found

* One for trim_left_sub
* One for split_trim_left

don't install test

avoids error with OPAMBUILDTEST=true
cp: cannot create regular file ‘/usr/local/bin/test_stringext’: Permission denied

Split trim left bug