fix talib bug on bollinger bands and other indicators when working on small assets, rise talib prescision and add test associated

Dockerfile

@@ -5,6 +5,7 @@ RUN apt-get update && apt-get -y install curl build-essential && apt-get clean
 RUN curl -L http://prdownloads.sourceforge.net/ta-lib/ta-lib-0.4.0-src.tar.gz | \
   tar xzvf - && \
   cd ta-lib && \
+  sed -i "s|0.00000001|0.000000000000000001 |g" src/ta_func/ta_utility.h && \
   ./configure && make && make install && \
   cd .. && rm -rf ta-lib
 ENV LD_LIBRARY_PATH /usr/local/lib