Allow multiple routers to coexist by not wrapping the pushstate and replacestate functions multiple times and triggering the router listeners after creating it.

I still need this change, and I need to rewrite it in node_modules everytime I deploy, so I'm going to fork and publish it to npm

Codecov Report

Merging #72 into master will decrease coverage by 1.4%. The diff coverage is 66.66%.

@@            Coverage Diff             @@
##           master      #72      +/-   ##
==========================================
- Coverage     100%   98.59%   -1.41%     
==========================================
  Files           6        6              
  Lines          68       71       +3     
  Branches       11       12       +1     
==========================================
+ Hits           68       70       +2     
- Misses          0        1       +1

Impacted Files	Coverage Δ
src/location.js	95.45% <66.66%> (-4.55%)	:arrow_down:

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