Revision history for Quant-Framework

0.01    1 Feb 2016
        Initial version, contains corporate actions.
0.02    4 Feb 2016
        Fixing some unit-tests
0.11    12 May 2016
        Adding CorrelationMatrix and ExpiryConventions modules
0.12    13 May 2016
        Load yml file in BEGIN block
0.16    18 May 2016
        Adding Builder and UnderlyingConfig
0.17    27 May 2016
        Included dividend recorded_date
0.18    30 May 2016
        Moving Volatility Surface modules
0.22    22 Jun 2016
        Organize unit test files
0.23    23 Jun 2016
        Enable perlcritic and perltidy checks
0.24    23 Jun 2016
        Cleanup Builder module
0.26    26 Jun 2016
        Removing locale parameter from TradingCalendar and UnderlyingConfig
0.27    30 Jun 2016
        Remove unsed cache
0.30    25 Jul 2016
        Adding Spot and related modules
0.31    2 Aug 2016
        New algorithm for volatility calculation
0.32    5 Aug 2016
        Remove set smile functionality
0.33    12 Aug 2016
        Fixes minimum volatility spread bug.
0.34    17 Aug 2016
        Handles negative variance in get_volatility differently.
0.35    29 Aug 2016
        Dividend refactoring. (Remove Asset.pm and Rename Dividend.pm as Asset.pm).
0.36    6 Sept 2016
        Changed closing_tick_on function to accept only a date and sets validation error if get_volatility function is called with zero duration.