improve tests for date-time functions

bump up version to 0.12.17

implement --library-path option as the alias of -L option

use strings.Repeat to repeat a space in formatting flags

fix reduce syntax to emit results for each initial value

refactor stream input iterator to use jsonInputIter

implement skip/2, fix limit/2 to emit error on negative count

remove build tags with legacy syntax

resolve search paths of import statements in the query (fix #265)

fix uri and urid formats not to convert a space between a plus sign

refactor code using built-in min and max functions

refactor code using slices, maps, and cmp packages

bump up to Go 1.23, drop support for Go 1.20

bump up to Go 1.23, drop support for Go 1.20

bump up version to 0.12.16

update CHANGELOG.md for v0.12.16

update CHANGELOG.md for v0.12.16

bump timefmt-go

fix debug/1 function to be available only when debug/0 is defined

fix a benchmark test BenchmarkCompile

assign packages write permission only on pushing version tags

fix a benchmark test BenchmarkCompile

remove private compare function

improve compiler to abort with error if query is missing

Merge pull request #250 from ccoVeille/useless-receivers

Merge pull request #248 from wader/parse-unexpected-multibyte-token-o…

fix tests of exp10 and atan2 failing on some platforms (close #247)

bump up version to 0.12.15

update CHANGELOG.md for v0.12.15