v0.4.0

What's Changed

• Implement read only buffer by @itsmontoya in #29
• Clean up testing by @itsmontoya in #30
• Update comments to reflect current state of functionality by @itsmontoya in #31
• Update README examples by @itsmontoya in #32
• Remove buffer init from Reader example by @itsmontoya in #33
• Clarify read-only buffer behavior in examples and README by @itsmontoya in #34

Full Changelog: v0.3.1...v0.4.0