[Bug] --multipass infintive loop to increase file-size (& --> &)

[JoKalliauer]

Prozessing File:BasePairing.svg breaks the file and --multipass makes an infinite loop to increase file-size.

$ svgcleaner input.svg.txt output.svg.txt --allow-bigger-file --indent 1 --multipass

Input

input.svg.txt

<svg viewBox="0,0,217.6,196.8" xmlns="http://www.w3.org/2000/svg">
 <text font-family="'Liberation Sans', Arial" font-size="53" x="7" y="90"><tspan>T</tspan>&amp;</text>
</svg>

Output (running once)

output.svg.txt

<svg viewBox="0 0 217.6 196.8" xmlns="http://www.w3.org/2000/svg">
 <text font-family="'Liberation Sans', Arial" font-size="53" x="7" y="90"><tspan>T</tspan>&amp;amp;</text>
</svg>

[RazrFalcon]

An interesting one =)