Updated changelog for 1.0.2 and 1.0.3

[Roach]

PR Summary

Updated changelog to acknowledge 1.0.2 release notes and add 1.0.3 notes

• ✅ I've read and understood the Contributing guidelines
• ✅ I've read and agree to the Code of Conduct
• ✅ I've been mindful about doing atomic commits, adding documentation to my changes, not refactoring too much.
• ✅ I've a descriptive title and added any useful information for the reviewer
• ✅ I've written tests to cover the new code and functionality included in this PR.
• ✅ I've read, agree to, and signed the Contributor License Agreement (CLA

[codecov-io]

Current coverage is 61.86% (diff: 100%)

Merging #150 into master will not change coverage

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  Files             8          8          
  Lines           257        257          
  Methods           0          0          
  Messages          0          0          
  Branches          0          0          
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  Hits            159        159          
  Misses           98         98          
  Partials          0          0          

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[UncannyBingo]

LGTM