added philosophy to README
checking wrapping
Update README.md
started the who is it for section
what streamtools isn't
removed who is it for section
response to Nik's comment
typo
Merge pull request #129 from mikedewar/readme

Readme
murder your darlings
Merge pull request #142 from mikedewar/readme

murder your darlings
Update README.md

little clarifications and typo fix
Update README.md