Improvements in filter spectral leakage

2.2.6

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Plot improvements

2.2.5

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Improvements in filter widget

2.2.4

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Various bug corrections

2.2.3

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Improvements in filter, plots, and BC for single freq ifft

Merge pull request #87 from EOMYS-Public/master

Few bug corrections

Bug corrections in new filter feature

2.2.1

[BC] remove overlay option for non components axes

New filter option in GUI

2.2.0

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[BC] fix bug in periodic signal summing in dB

2.1.4

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improvements in plot labels

2.1.3

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Bug corrections in new fix_order_axes method

2.1.2

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