Plugin Error Stops Compilation and other functions of sublime

``` sh
Will build & run opa_build.exe

Compiling ...
Traceback (most recent call last):
  File "./sublime_plugin.py", line 362, in run_
  File "./commands.py", line 107, in run
  File "./commands.py", line 27, in modtime
AttributeError: 'module' object has no attribute 'min'
```

Compiling is not happening as well Save shortcut for sublime is also not seem to work
