Extended Session High/Low

This script automatically draws the high/low of after hours and pre-market

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Extended the line drawn to be clearly visible during market hours

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You can now input your favorite time where to end looking for a high/low (e.g. ending hour = 10 and ending hour = 30 will mark the high/low until 10:30AM). Default value is ending hour = 9 and ending hour = 30 (9:30AM).

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Cleaned code

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Added the possibility to visualize the past and, so, to backtest it more easily. Just unflag the "last only" option and enjoy it!