Update countUp.coffee

fixed typo in variable name
Merge pull request #40 from iabdulin/patch-1

Update countUp.coffee
fix resume reset conflict and safe resume() call

current version have one bug:
use

start -> stop -> resume -> reset 

now reset() not origin start value, it show stop value when reset() ,it is error...

if call resume() before start will have some bug.
Merge pull request #41 from youxiachai/patch-1

fix resume reset conflict and safe resume() call
v 1.1.2

Fixes a bug where start() -> stop() -> resume() -> reset() would reset
to the number stopped at. Thanks to @youxiachai for finding this one
v 1.1.2
Merge branch 'master' into gh-pages