Proposing a PR to fix a few small typos

[timgates42]

Issue Type

[x] Bug (Typo)

Steps to Replicate and Expected Behaviour

• Examine testify/deprecated_assertions.py and observe signficant, however expect to see significant.
• Examine README.md, testify/test_fixtures.py and observe heirarchy, however expect to see hierarchy.
• Examine test/test_fixtures_test.py, testify/test_fixtures.py and observe fixures, however expect to see fixtures.
• Examine README.md and observe similiar, however expect to see similar.
• Examine testify/test_fixtures.py and observe recieve, however expect to see receive.
• Examine test/test_case_test.py and observe overwritting, however expect to see overwriting.
• Examine testify/utils/inspection.py and observe interchangably, however expect to see interchangeably.
• Examine testify/assertions.py and observe expection, however expect to see exception.
• Examine test/discovery_failure_test.py and observe errror, however expect to see error.
• Examine testify/assertions.py and observe dictionarys, however expect to see dictionaries.
• Examine testify/assertions.py and observe comparision, however expect to see comparison.
• Examine testify/assertions.py and observe algorim, however expect to see algorithm.

Notes

Semi-automated issue generated by
https://github.com/timgates42/meticulous/blob/master/docs/NOTE.md

To avoid wasting CI processing resources a branch with the fix has been
prepared but a pull request has not yet been created. A pull request fixing
the issue can be prepared from the link below, feel free to create it or
request @timgates42 create the PR. Alternatively if the fix is undesired please
close the issue with a small comment about the reasoning.

https://github.com/timgates42/Testify/pull/new/bugfix_typos

Thanks.