Issues running amsterdam

[Valérianne]

It looks like amsterdam needs a .env existing before launching it or it explodes:

stacktrace

Please enter your instance domain (without https:// or http://)
sigpipe.me
thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', libcore/result.rs:945:5
stack backtrace:
   0: std::sys::unix::backtrace::tracing::imp::unwind_backtrace
             at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
   1: std::sys_common::backtrace::print
             at libstd/sys_common/backtrace.rs:71
             at libstd/sys_common/backtrace.rs:59
   2: std::panicking::default_hook::{{closure}}
             at libstd/panicking.rs:211
   3: std::panicking::default_hook
             at libstd/panicking.rs:227
   4: std::panicking::rust_panic_with_hook
             at libstd/panicking.rs:475
   5: std::panicking::continue_panic_fmt
             at libstd/panicking.rs:390
   6: rust_begin_unwind
             at libstd/panicking.rs:325
   7: core::panicking::panic_fmt
             at libcore/panicking.rs:77
   8: core::result::unwrap_failed
   9: amsterdam::write_to_env
  10: amsterdam::main
  11: std::rt::lang_start::{{closure}}
  12: std::panicking::try::do_call
             at libstd/rt.rs:59
             at libstd/panicking.rs:310
  13: __rust_maybe_catch_panic
             at libpanic_unwind/lib.rs:106
  14: std::rt::lang_start_internal
             at libstd/panicking.rs:289
             at libstd/panic.rs:392
             at libstd/rt.rs:58
  15: main
  16: __libc_start_main
  17: _start

After doing a touch .env it launch fine.

Also the amsterdam (no arg) help is missing a newline at the end.