* random_string now returns a significantly higher entropy random string
sizeof(char*) is going to be 8 on a 64-bit system, not the length of the
string. Before, only strings of integer values [0-6] were being generated. Also
switched to C++ constructs for simplicity.
* Update common/util.cc
* maintain repo style
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Co-authored-by: Shane Smiskol <shane@smiskol.com>
old-commit-hash: 4cad0a035d
* delete files that are not defined in the keys
* assert after create file
* remove util::remove_files_in_dir
* cleanup
* fix up test
---------
Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>
old-commit-hash: 10a1b8b7b1
