v0.3.0

Changelog

• ae1f5a3 update docs
• 8f41d54 bump contrib
• 7272c97 remove accidental introduced integer-division function
• 8e932ed make variadics require at least 1 item, as that's most often what we need
• 063a5f5 cleanup API, get rid of LiteralFunctions again
• 12194f9 reimplement map/range/filter
• e783c86 make descriptions less prominent
• b4a2cda rewrite more functions to native signature
• c349344 allow ast.Number in signatures
• 96d07f3 use more native handling for builtins
• aa4bf08 allow to specify a forced coalescer for a native function
• 7f795a0 allow nulls in native functions
• 3d8d3bf cleanup native tests
• 0b0dccd use native function handling for builtin functions
• 4a217dd add reflect-based function definition to reduce boilerplate
• 46e6efe add error function