Working beta version
modified:   readme.md
new file:   src/matlab/checkSigmoidality.m
modified:   src/matlab/doseArray.m
modified:   src/matlab/fitDose.m
modified:   src/matlab/fitSigmoid.m
modified:   src/matlab/normalizeValues.m
modified:   src/matlab/parseSymbols.m
new file:   src/matlab/plotArray.m