4.9.0

• Feature/slate generator tweaks, pull request
• Another attempt at adding explanations to resources, pull request
• Use tables to represent markdown parameters, pull request
• Ignore case sensitivity when filtering headers, pull request
• Custom parameter method, pull request
• Remove all windows-illegal characters from filenames, pull request
• Make SlateWriter output cURL cmd in separate tab, pull request
• Escape query_strings in DSL , pull request
• Fix formatting of nested response_field scopes, pull request
• Rely on tilde versioning for rspec, pull request