Version 1.0 Updated.

Version 1.0 is updated. My girlfriend needs to convert an txt file into
an excel file so that she can filter the information conveniently, but
she is too busy to do it manually, so she ask me to make this program.
The program is pretty easy, though I spent almost a whole day to debug.
Turns out, POI is really helpful. Version 1.0 is basicly bug-free(I hope
so), but there is no garuantee.