Handle cached and loaded samples separately. Also allow users to force load a sample (overriding the cached version but adding to the loaded samples). Fixes #128. 
Handle cached and loaded samples separately. Also allow users to force load a sample (overriding the cached version but adding to the loaded samples). Fixes #128. 
brunchboy/overtone,ethancrawford/overtone,chunseoklee/overtone,la3lma/overtone,mcanthony/overtone,Widea/overtone,pje/overtone,craftybones/overtone