pub command can throw exception on badly formatted input

[Overdrivr]

:> pub --u32 read 0\
Traceback (most recent call last):
  File "C:\Miniconda35\lib\site-packages\pytelemetrycli\cli.py", line 253, in do
_pub
    arg['<value>'] = int(arg['<value>'])
ValueError: invalid literal for int() with base 10: '0\\'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Miniconda35\lib\runpy.py", line 170, in _run_module_as_main
    "__main__", mod_spec)
  File "C:\Miniconda35\lib\runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "C:\Miniconda35\lib\site-packages\pytelemetrycli\cli.py", line 409, in <m
odule>
    pytlm()
  File "C:\Miniconda35\lib\site-packages\pytelemetrycli\cli.py", line 402, in py
tlm
    Application().cmdloop()
  File "C:\Miniconda35\lib\cmd.py", line 138, in cmdloop
    stop = self.onecmd(line)
  File "C:\Miniconda35\lib\cmd.py", line 217, in onecmd
    return func(arg)
  File "C:\Miniconda35\lib\site-packages\pytelemetrycli\cli.py", line 40, in fn
    return func(self, opt)
  File "C:\Miniconda35\lib\site-packages\pytelemetrycli\cli.py", line 256, in do
_pub
    inter = float(arg['<value>'])
ValueError: could not convert string to float: '0\\'

It should not raise exception, only display error message.