Release 1.8

• fix bug in parsing negative real numbers with leading whitespace
• handle numbers with large exponent correctly: use bignum operations instead of floating-point, to avoid losing precision
• better detection of invalid numbers: signal INVALID-NUMBER instead of implementation-specific conditions

Release 1.7

• Handle positive numbers prefixed with + sign

Release 1.6

• fixes for ASDF 3.3

Release 1.5

• Bug fixes
• Add docstrings
• Fix ASDF metadata

Many thanks to Michael Malis for bug fixes and documentation.

v1.4

• Add ASDF metadata
• Fix parsing of trailing whitespace