allocations from file specific pool that destroyed on file closing
checksum file format option added
output using message based on hash table
error info output restored
file validation fixed
error output fixed
file searching in cmd mode fixed
file validation fixed
refactoring: file handler made void
GetFileName moved to lib
refactoring: some locals eliminated
refactoring: OutputDigest inlined
Merge branch 'feature/verification_file_output' into develop