v1.2.5

Fixes:

• fixed some multi-line string parsing issues
• fixed pedantic warnings on gcc 10 and clang 11
• fixed is_unicode_XXXXXX functions being wrong in some cases
• fixed TOML_LIKELY not being correct on older versions of gcc and clang
• fixed minor documentation issues (#26, #38) (@prince-chrismc)

Additions:

• added additional error message cases to the parser
• added error_printer example
• added toml_generator example

Changes:

• improved unicode-related codegen