1.0.0-rc.2

• Create https://toml.io as the new primary location to read the TOML spec.
• Clarify meaning of "quotation marks".
• Clarify meaning of "expected" value ranges.
• Clarify that EOF is allowed after key/value pair.
• Clarify that the various styles for writing keys are equivalent.
• Clarify that line-ending backslashes must be unescaped in multi-line strings.
• Add examples for invalid float values.