Release 0.6.0

[kevin-montrose]

Release 0.6.0

Public Changes

• Supports multi-character value separators
• WriteAll(Async) method now return a count of written rows
• Adds Span & Memory overloads for writing comments
• Changes ITypeDescriber.GetCellsForDynamicRows() to allow for allocation-free implementations
• C# 8 nullability annotations are now found and violations will be detected at runtime

Internal Changes

• A number of allocation and performance improvements
• Analyzers now check for a number of conventions
• Most wrappers now carry nullability information in the form of NullHandling