some integration tests for relative filename calculations in upload-file
global function abs2rel invented
config_engine_timeout test - rewriting with real directory on filesystem
config_engine_token test fixed to use real filesystem
config_engine_upload_file move out integration test code
Utils - binary_abs_path and abs2rel hack

binary_abs_path - is like Cwd::abs_path but with workaround for bugs
abs2rel hack for ancient File::Spec
ConfgiDefinition relfilename calculations improved
meta and minor fixes
disable warning here
upload-file file/dir - additional checks
metadata update
this abs_path is more correct
upload-file - updated docs in readme
changelog/readme update for upload-file command