Additional functions added to taInvoke.cpp with associated path updates to mexOpts.txt: PLUS_DM, PPO, ROC, ROCP, ROCR, ROCR100, RSI, SAR, SAREXT, SIN, SINH, SMA, SQRT, STDDEV.

Initial grouping of functions within taInvoke.cpp similar to the manner in which candlesticks are handled to improve optimization when compiling.

Signed-off-by: Mark Tompkins <mtompkins@openAlgo.org>