Rewrite dtostrf to use snprintf with float formatting
Rewrite dtostrf to use snprintf with float formatting

majenkotech/chipKIT-core,EmbeddedMan/chipKIT-core,adamwolf/chipKIT-core,EmbeddedMan/chipKIT-core,EmbeddedMan/chipKIT-core,adamwolf/chipKIT-core,majenkotech/chipKIT-core,EmbeddedMan/chipKIT-core,adamwolf/chipKIT-core,majenkotech/chipKIT-core,chipKIT32/chipkit-core,majenkotech/chipKIT-core,EmbeddedMan/chipKIT-core,chipKIT32/chipkit-core,adamwolf/chipKIT-core,adamwolf/chipKIT-core,majenkotech/chipKIT-core,adamwolf/chipKIT-core,chipKIT32/chipkit-core,adamwolf/chipKIT-core,majenkotech/chipKIT-core,EmbeddedMan/chipKIT-core,EmbeddedMan/chipKIT-core,chipKIT32/chipkit-core,majenkotech/chipKIT-core,chipKIT32/chipkit-core