'Changed internal class visibility to *private*' in ipyghstocks options module; Preparing to test ipyghstocks options module.
Tested chart options
Addede bmfbovespa site importer with load bovespa's index's symbols.
Fixed bmfbovespa call method
Embedding from module updated. Corrected errors when getting data from yahoo (data was set backwardly in relation to the time series index). Created conversion functions to and from date and timestamp. Ibovespa stock papers are now imported from bmfbovespa site.