Fix some bugs (Mainly string parsing)

[duguosheng]

1. LaTeX curly brackets do not convert correctly #63
2. a display error: when user sets the saveStrategy to useDirStructure, the actual deck does not match the displayed deck when executing the Send To Deck command
3. update docs

[duguosheng]

md file like this:

## test

$a=\{1,2\}$
$b=\#1$ 
$c=\&1$ 
$d=\_1$
$e=\$1$
$f=\%100$ 

before:

now:

[duguosheng]

now, line feed can be sent correctly to anki, but seems like that anki doesn't support it.

[duguosheng]

now, content like this can be sent correctly.

$$
\begin{align}
P ::&= P \\
    &|\ \neg P \\
    &|\ \top \\
    &|\ \bot \\
    &|\ P\backslash /P \\
    &|\ P/\backslash P
\end{align}
$$

before:

now:

[duguosheng]

add some tests for this.

[jasonwilliams]

add some tests for this.

Thanks!!

[duguosheng]

But these tests don't seem very intuitive, because they can't show the final effect. I posted some screenshots in the comments above:)

[jasonwilliams]

But these tests don't seem very intuitive, because they can't show the final effect. I posted some screenshots in the comments above:)

What do you think we should do in this case? Should we keep them and use them as a quick sanity check or have a better way to test this? Its a very "visual" thing so i don't know of a better way to test it is working properly

[duguosheng]

I've updated the test of latex conversion, maybe this could be better.

[duguosheng]

fix: Send to DirName just creates a deck called 'deck/subdeck' #80

[jasonwilliams]

LGTM