1.0.0

• add support for ES 7.x
• auto detect ES version
• search: allow to read body query from @file
• BREAKING: switch to cmdliner to parse arguments

0.5

• build: switch build system to dune
• search: use -F to include stored fields
• search: use -R to retry search if there are failed shards
• search: use -E to explain hits
• search: use -a, -d, -O to set analyzer, default field and default operator for -q
• search: use -w to analyze wildcard and prefix queries

0.4

• use -t to set search timeout
• use -T to set HTTP request timeout
• fix dependency on lwt ppx

0.3

• flush tool
• sliced scroll (-N and -I)
• use -S for scroll search instead of -scroll
• fix args after -- being ignored

0.2

• put, recovery and refresh tools
• split output format (-f) by comma
• fix source_exclude (-e) and preference (-p)

0.1

• alias, get, health, nodes and search tools