v2.8.0

Parsers v2.8.0

Diff since v2.7.2

Merged pull requests:

• Dict{Type,} -> IdDict{Type,} (#181) (@timholy)
• When delim=groupmark=x, treat x as delim unless input is quoted (#182) (@nickrobinson251)
• Add compat entries for stdlibs (#186) (@nickrobinson251)