message: added logic to not override RUST_LOG env var
diff: @@ -7,12 +7,18 @@ use std::time::Instant;
  pub fn initialize(verbosity: u8) {
  // use occurrences of -v on commandline to or verbosity = N in feroxconfig.toml to set
  // log level for the application; respects already specified RUST_LOG environment variable
  + match env::var("RUST_LOG") {
  + Ok(_) => {}
  + Err(_) => {
  + // only set log level based on verbosity when RUST_LOG variable doesn't exist
  match verbosity {
  0 => (),
  1 => env::set_var("RUST_LOG", "warn"),
  2 => env::set_var("RUST_LOG", "info"),
  _ => env::set_var("RUST_LOG", "debug,hyper=info,reqwest=info"),
  }
  + }
  + }
  let start = Instant::now();
  let mut builder = Builder::from_default_env();
  