Version 6.0.0

What's Changed

This version brings a major change : we can now parse integers, as well as floating-point numbers.

• float_common.h:237:52 Value stored to 'input_num' is never read by @Coeur in #224
• fix for 32-bit Visual Studio when not set to round to nearest by @lemire in #225
• Fix for ARM SIMD by @mayawarrier in #230
• from_chars integer parser by @mayawarrier in #231

Full Changelog: v5.3.0...v6.0.0