Fix a bug in replacement cost calculation reinvest in project last year

[Bachibouzouk]

Changes proposed in this pull request:

• The test test_c2_economic_functions.py::test_get_replacement_costs_one_reinvestment_age_asset_equal_asset_lifetime was added to account for a field usecase and a solution was provided

The following steps were realized, as well (if applies):

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• Write test(s) for your new patch of code (pytests, assertion debug messages)
• Update the CHANGELOG.md
• Apply black (black . --exclude docs/)
• Check if benchmark tests pass locally (EXECUTE_TESTS_ON=master pytest)

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[Bachibouzouk]

@ciaradunks - the test fail due to new pandas version, I will pin it an repush