v0.2.0

What's Changed

• Port irw_covariates(): person-level columns, aligned to a response matrix by @ben-domingue in #67
• Add table_sets(): item/response sets via server-side queries (#55) by @ben-domingue in #71
• Add irw.imv(): InterModel Vigorish, ported from R by @ben-domingue in #68
• Port irw_recode() and irw_decode() as recode() and decode() by @ben-domingue in #69
• Port irw_resp2long() and irw_check_resp(); add resp_col= and check_resp= to long2resp() by @ben-domingue in #72
• Port irw_merge() as irw.merge() by @ben-domingue in #70
• Port version pinning: use_version, set_version, get_version, reset_version by @ben-domingue in #73
• filter(), describe_filter(), get_filters(): take source=, as R's irw_filter does by @ben-domingue in #74
• Refresh a dataset's release from an unversioned reference (#75) by @ben-domingue in #76
• Release 0.2.0 by @ben-domingue in #77

Full Changelog: v0.1.6...v0.2.0