v1.0.0-beta.6

• Removed negativeMargin plugin, now the regular margin plugin supports generating negative classes (like -mx-6) by using negative keys in the config, like -6 (#865, upgrade guide)
• Added support for negative inset (-top-6, -right-4) and z-index (-z-10) utilities, using the same negative key syntax supported by the margin plugin (#867, #875)
• Add missing fractions as well as x/12 fractions to width scale (#646)
• Add order utilities (#693)
• Add cursor-text class by default (#795)
• Make it possible to access your fully merged config file in JS (#877)