Update README.md

The lack of spaces between the parens and the asterisks does seem to be causing the problem. Specifically:

+ Ok:
    - **Finished**
    - **Finished**)
    - ( **Finished**)
+ Not ok:
    - (**Finished**
    - (**Finished**)
    - )**Finished**
    - (*Finished*)
    - .**Finished**.
    - A**Finished**
 
Switching the asterisks to underscores did not help.

I believe this to be a bug in github's Markdown parser.
They probably have a rule that expects <whitespace+><formatting cue><bolded stuff><formatting cue>, when I think it should really be <whitespace*> at the beginning. (+ meaning one-or-more, * meaning zero-or-more)

The easiest way to route around the bug without adding spaces (which look weird in this case) is to just stick the html tags in there.