2.0.0 - 03/17/2026
==================
- Migrated to NTSDB schema: 7 measurements replacing 2 (nagios_host_check, nagios_service_check)
- New measurements: nagios_host_state, nagios_host_check_timestamp, nagios_host_info,
  nagios_service_state, nagios_service_check_timestamp, nagios_service_info,
  nagios_performance_data, nagios_performance_thresholds
- Service check state/timestamp/info lines emitted unconditionally (no longer skipped when perfdata is empty)
- Added latency and execution_time fields to service check timestamp measurement
- Thresholds emitted as separate nagios_performance_thresholds lines (one per threshold type)
- Added raw_value field to perfdata_metric struct to preserve original value+UOM string
- Added helper functions: host_state_name(), service_state_name(), format_iso_timestamp()
- Shortened tag keys: host_name -> host, service_description -> service, uom -> unit
- Host perfdata uses service=_host_check_ sentinel to avoid collision with real service names
- Unit tag always emitted with "none" fallback for consistent series keys
- Performance data value format changed from %.6f to %.15g for better precision
- Removed output field from host check lines (not in NTSDB schema)
- Removed MAX_OUTPUT_RESERVE define and escaped_field buffer (dead code)
- Added new_influx_ntsdb.sh build/install script
- BREAKING: Old measurement names (nagios_service_check, nagios_host_check) are no longer emitted

1.1.0 - 02/26/2026
==================
- Only register for SERVICE_CHECK_DATA and HOST_CHECK_DATA callbacks instead of all callback types
- Removed unused callback_names array, CALLBACK_NAMES_COUNT macro, and get_callback_name() function
- Rewrote perfdata parser to handle single-quoted labels per Nagios plugin API spec
- Escaped perfdata labels for InfluxDB field key format (commas, equals, spaces)
- Replaced atof with strtod for numeric parsing with error detection
- Added unsigned char cast to isalpha for portability
- Extracted UOM from perfdata and included as InfluxDB tag on each metric line
- Changed from one line per check to one line per perfdata metric for proper per-metric tagging
- Added warn, crit, min, max threshold fields from perfdata when present
- Removed unused nebstruct pointer declarations from influxdb_handle_data

1.0.0 - 02/03/2026
==================
- Initial Beta release - KF
