isNumeric() function in serialControl.pde returns always true

[bieli]

Please, check https://github.com/UrsusExplorans/SerialControl/blob/master/serialControl.pde in line 138

Please, change "return true" in 138 line into "return ret". This code never executed corectlly, I think.

Enjoy ;)

[lorenzop]

this was fixed in commit d7194dc, issue can be closed :-)