༼ つ ◕_◕ ༽つ giving version 2.1.6 in README.md

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adding deprecation note in README.md

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adding info about v. 2.1.2 to CHANGELOG.md

༼ つ ◕_◕ ༽つ giving version 2.1.1 in README.md

༼ つ ◕_◕ ༽つ giving version 2.1.0 in README.md

bumping version to 2.0.1 in README.md

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updating library version

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corrected formatting