V2 with inflation rate, UVA Rate & Fixed term rate

Add to package new methods for:

• Inflation rate monthly and interanual
• Fixed term rate daily and monthly open by banks
• UVA Rate

First realease of Argendolar Package

On this occasion, it made available a python package that will allow us to obtain the current and historical price of any variant of the dollar in Argentina as well as other currencies such as: real, Chilean peso, Uruguayan peso and euro.