Many improvements on compliance to the ISO standard and the de facto standard.

A huge thanks to everyone involved, especially @guregu for contributing between/3, @UWN for clearing up my confusion on the ISO standard, @triska for letting us know modern Prolog defaults and predicates, and @riccardopinosio for feedback!

What's Changed

• hide parser options by @ichiban in #141
• add nth3 by @ichiban in #142
• simplify lexer by @ichiban in #143
• false/0 is ISO by @ichiban in #145
• Ditch libraries by @ichiban in #146
• add phrase/3, phrase/2 on README by @ichiban in #147
• decouple directives from Assert by @ichiban in #148
• add subsumes_term/2 by @ichiban in #149
• add callable/1 by @ichiban in #150
• add term_variables/2 and ground/1 by @ichiban in #151
• add acyclic_term/1 by @ichiban in #152
• add sort/2 by @ichiban in #153
• add keysort/2 by @ichiban in #154
• add retractall/1 by @ichiban in #155
• add call/2..8 by @ichiban in #156
• add unary plus by @ichiban in #157
• add evaluable functor: div by @ichiban in #158
• add evaluable functor: max by @ichiban in #165
• add evaluable functor: min by @ichiban in #166
• add evaluable functor: integer power by @ichiban in #167
• add evaluable functor: asin by @ichiban in #168
• add evaluable functor: acos by @ichiban in #169
• add evaluable functor: atan2 by @ichiban in #170
• add evaluable functor: tan by @ichiban in #171
• add evaluable functor: pi by @ichiban in #172
• add evaluable functor: xor by @ichiban in #173
• make success/failure continuations variables so that it's not in the … by @ichiban in #175
• add nth0/3 and rename nth/3 -> nth1/3 by @ichiban in #174
• replace EachList by ListIterator by @ichiban in #177
• replace Each with Iterators by @ichiban in #178
• fix nth0/3, nth1/3 by @ichiban in #180
• add between/3 by @guregu in #179
• add select/3 by @ichiban in #181
• add succ/2 by @ichiban in #182
• add maplist/2..8 by @ichiban in #184
• make the default value for double_quotes to chars. by @ichiban in #185

New Contributors

• @guregu made their first contribution in #179

Full Changelog: v0.8.0...v0.9.0