Pandas-market-calendars

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- Fixed for changes to pandas 1.1.0

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- Added CME_Bond calendar for bond and interest rate futures
- Added futures specific items to the documentations along with examples with breaks

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- Add the concept of a break during the trading day. For example this can accommodate Asian markets that have a lunch
break, or futures markets that are open 24 hours with a break in the day for trade processing.
- Added product specific contract calendars for CME futures exchange. First calendars are the CME Agricultural and
CME Equity calendars
- Add ability to set time zone on schedule() function 42
- Add the Bombay exchange (XBOM) from 96
- Fixed Christmas holidays in SIX 100

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- Fixes to support Pandas v1.0
- Remove support for Python 3.4 based on underlying packages removing support for v3.4
- Added ASXExchangeCalendar from PR 85
- Fixes to UK holidays in 84

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- Support calendars with valid business days on the weekend (PR 75)
- Fixed SSE 2019 labour's day holidays (PR 74)
- Better JPX calendar support for the time period 1949-2099 (PR 72)
- Reformat Japan's Ascension days, removed duplicate days (PR 68)
- Added German national holidays (PR 77)

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- add JPX Ascension Day holidays for 2019 from PR 64