Introduction edits
revert changes as per Ethans comment 1 & 2 with a reorganization of the third paragraph as per his comment 3&4. I assume you meant paragraph 3. I changed the wording of the second sentence in the second paragraph but do not believe I changed the sentences content.
Merge pull request #30 from brymz/master

Introduction edits
Initial reformatting of sections 4 and 5 into a single section