New output module

src/main.rs

@@ -7,19 +7,17 @@ pub mod benchmark;
 pub mod command;
 pub mod error;
 pub mod export;
-pub mod format;
 pub mod min_max;
 pub mod options;
 pub mod outlier_detection;
+pub mod output;
 pub mod parameter_range;
-pub mod progress_bar;
 pub mod relative_speed;
 pub mod shell;
 pub mod timer;
 pub mod tokenize;
 pub mod types;
 pub mod units;
-pub mod warnings;
 
 use app::get_arg_matches;
 use benchmark::result::BenchmarkResult;