* 2017-11-26 2.4.14.5
  add MMB-COM-MIB
* 2017-11-23 2.4.14.4
  remove 15s session timeout
* 2017-11-20 2.4.14.3
  fix a bug in negate
* 2017-11-02 2.4.14.2
  update F5-BIGIP-LOCAL-MIB and F5-BIGIP-GLOBAL-MIB
* 2017-09-28 2.4.14.1
  fix a typo in QUANTUM-SNMP-MIB
* 2017-09-28 2.4.14
  add QUANTUM-SNMP-MIB
* 2017-09-28 2.4.13.2
  bugfix in idrac-mib
* 2017-09-28 2.4.13.1
  fix dell mibs
* 2017-09-26 2.4.13
  add DELL-RAC-MIB and IDRAC-MIB-SMI2
* 2017-09-23 2.4.12.2
  return true on secondary context switch
* 2017-09-22 2.4.12.1
  scheissdreck zeugs vergessen
* 2017-09-22 2.4.12
  implement a context switch for snmpv3, sponsored by http://www.lidl.de
  If you like check_nwc_health, go shopping at Lidl or Kaufland,
  they sponsor a lot of the features.
* 2017-08-25 2.4.11.2
  fix a bug in get_entries_get_simple
* 2017-08-24 2.4.11.1
  fix SW-MIB
* 2017-08-24 2.4.11
  fix a bug in get_snmp_table_objects wo indexes
* 2017-08-22 2.4.10
  add FIBRE-CHANNEL-FE-MIB
* 2017-08-21 2.4.9.1
  update SW-MIB
* 2017-08-11 2.4.9
  add ELTEXMIB
* 2017-08-02 2.4.8.1
  implement get_symbol
* 2017-06-20 2.4.8
  add LCOS-Mib
* 2017-06-07 2.4.7.5
  workaround for unititialized in protect
* 2017-06-01 2.4.7.4
  workaround for unititialized in valdiff
* 2017-05-29 2.4.7.3
  remove debug stmt from destructor
* 2017-05-26 2.4.7.2
  update WebGraph-8xThermometer-MIB
* 2017-05-15 2.4.7.1
  fix a bug in make_symbolic, definitions pointing to other mibs
* 2017-05-09 2.4.7
  fix entry cache, uptime
* 2017-04-24 2.4.6.2
  identify PRONTER-MIB
  fix package name for HOST-RESOURCE-MIB
* 2017-04-21 2.4.6.1
  add PrtSubUnitStatusTC
* 2017-04-20 2.4.6
  add LEXMARK-MPS-MIB
* 2017-04-18 2.4.5
  add JUNOSBGP4V2MIB (Pull Request #9, dupondje)
  allow --negate also for conection timeout exits
  add GENUA-MIB (Pull Request #10, freneticf)
  add OPENBSD-PF-MIB
  add OPENBSD-SENSORS-MIB
  add OPENBSD-MEM-MIB
  add OPENBSD-CARP-MIB
* 2017-04-17 2.4.4
  add PRINTER-MIB
  add KYOCERA-Private-MIB
  add BROTHER-MIB
* 2017-04-14 2.4.3
  add LEXMARK-PVT-MIB
* 2017-04-14 2.4.2
  update FOUNDRY-SN-AGENT-MIB
* 2017-03-27 2.4.1.2
  fix a perl trick that was not available in older perl verions.
* 2017-03-24 2.4.1.1
  reduce transferred oids in update_entry_cache
* 2017-03-23 2.4.1
  add OLD-CISCO-INTERFACES-MIB
* 2017-03-21 2.4.0.1
  fix mode bulkwalk
* 2017-03-19 2.4
  improve get_entries
* 2017-03-14 2.3.19
  add thev1-mib
* 2017-03-10 2.3.18.2
  --negate now can modify the exitcode based on a regexp
* 2017-03-08 2.3.18.1
  bugfix in get_entries, use get_next if there are no indices
* 2017-03-08 2.3.18
  update XUPS-MIB
* 2017-03-01 2.3.17.1
  fix packaging error
* 2017-03-01 2.3.17
  add STEELHEAD-EX-MIB
* 2017-02-28 2.3.16
  add STEELHEAD-MIB
* 2017-02-23 2.3.15
  update IF-MIB
* 2017-02-23 2.3.14
  some tweaks for get_entries/tables
* 2017-02-19 2.3.13.1
  force get_snmp_table_objects to use get_table when there is no --name
* 2017-02-18 2.3.13
  add F5-BIGIP-GLOBAL-MIB
  add HOST-RESOURCES-V2-MIB
  add NETSCREEN-NSRP-MIB
  update HOST-RESOURCES-MIB
  optimize get_entries
  output sysDesc with uptime
* 2017-02-07 2.3.12
  add CISCO-LWAPP-HA-MIB
  add CISCO-LWAPP-AP-MIB
  add sysdesc to the output of mode uptime
* 2017-02-07 2.3.11
  add sysDesc to more uptime
* 2017-02-07 2.3.10
  add EtherLike-MIB
* 2017-02-07 2.3.9
  add CISCO-LAG-MIB
  add CISCO-PORT-CHANNEL-MIB
  add IEEE8023-LAG-MIB
* 2017-01-26 2.3.8.4
  fix definition of bsnAPAdminStatus
* 2017-01-26 2.3.8.3
  add mib_id to cisco wireless mibs
* 2017-01-18 2.3.8.2
  improve uptime calculation
* 2017-01-11 2.3.8.1
  update CHECKPOINT-MIB
* 2016-12-05 2.3.8
  add mode supportedoids
  add LIEBERT-GP-FLEXIBLE-MIB 
* 2016-12-03 2.3.7.1
  add LIEBERT-GP-PDU-MIB
* 2016-11-29 2.3.7
  add JUNIPER-MIB
* 2016-11-21 2.3.6
  add RMON-MIB
* 2016-10-24 2.3.5
  add Liebert-Mibs
* 2016-10-24 2.3.4
  fix host-resource-mib for mode supportedmibs
  add mode bulkwalk
  add NET-SNMP-MIB detector
* 2016-10-11 2.3.3.1
  bugfix in get_request, do not cache invalid responses
* 2016-10-08 2.3.3
  add CISCOSB*
  add ARISTA-ENTITY-SENSOR-MIB
  add ENTITY-STATE-MIB
* 2016-09-28 2.3.2.2
  update MANIFEST
* 2016-09-28 2.3.2.1
  fix WebGraph-Thermo-Hygro-Barometer-US-MIB id
* 2016-09-28 2.3.2
  add US_AN1GRAPH_BARO_MIB_134
* 2016-08-17 2.3.1
  add UCD-DISKIO-MIB
* 2016-08-12 2.3.0.2
  add extra-opts test
* 2016-08-01 2.3.0.1
  bugfix in valdiff with lookback
* 2016-07-21 2.3
  add --extra-opts
* 2016-07-12 2.2.01
  fix tests
* 2016-07-12 2.2
  add handling for --environment and --runas
* 2016-07-07 2.1.3
  add bulk_is_baeh for devices which don't like bulk requests
* 2016-06-29 2.1.2.2
  return metrics as string
* 2016-06-29 2.1.2.1
  bugfix in load_my_extension for old-style api
* 2016-06-20 2.1.2
  add mode encode to DB.pm
* 2016-06-16 2.1.1
  add DAMOCLES-MIB
* 2016-05-30 2.1
  warninx and criticalx can be regular expressions
* 2016-05-19 2.0.18
  add unitOnOff De. to Stulzmib
* 2016-05-12 2.0.17
  add mitigation-methods
  update CISCO-FIREWALL-MIB
* 2016-05-12 2.0.16
  add BIANCA-BRICK-MIBRES-MIB
  add BINTEC_FILESYS-MIB
  add unhex_octet_string()
* 2016-05-10 2.0.15
  bugfix in discover_suitable_class
* 2016-05-10 2.0.14
  add mib_ids to JUNIPER-IVE and UCD-SNMP Mibs
* 2016-04-19 2.0.13
  allow own handlers for set_timeout_alarm
* 2016-04-17 2.0.12
  add VRRP-MIB (dhoffend pullrequest #3)
* 2016-04-08 2.0.11
  escape special characters for statefiles under windows
* 2016-04-04 2.0.10
  improve the timeout handler
* 2016-04-04 2.0.9
  DB: add fetchall_array_cached
* 2016-03-29 2.0.8
  SNMP: add CISCO-STACKWISE-MIB
* 2016-03-11 2.0.7
  SNMP: update CISCO-ENHANCED-MEMPOOL-MIB
* 2016-03-08 2.0.6
  DB: allow encoded exec
* 2016-02-26 2.0.5
  add Raritan-EMD-MIB and Stulz-WIB8000-MIB
* 2016-02-22 2.0.3
  add CISCO-STACK-MIB
* 2016-02-17 2.0.2
  update CHECKPOINT-MIB
  replace pipe-symbol in output by !
* 2016-02-15 2.0.1
  bugfix in snmpwalk simulation
  bugfix in valdiff @_
* 2016-01-29 2.0
  add MIBS, dynamical load of snmp modules
* 2016-01-25 1.4.3
  add get_entities
* 2016-01-24 1.4.2.2
  source DB/DBI.pm
* 2016-01-24 1.4.2.1
  add DB/DBI.pm
* 2016-01-24 1.4.2
  Bugfixes in the DB part
* 2016-01-20 1.4.1
  Bugfixes in the DB part
* 2016-01-06 1.4
  fix sql(runtime) in DB.pm, refactor
* 2015-12-24
  fix autoload of DB module
* 2015-11-28 1.3
  add merge_tables, merge_tables_with_code
* 2015-11-29 1.2.2
  add merge_tables
  get_tables can get only specific rows
  finish units
* 2015-11-05 1.2
  remove VERSION from submodules
* 2015-11-05 1.1
  Fix CPAN structure
* 2015-07-08 1.0
  First version, released on an unsuspecting world.
  GLPlugin has long been used in check_*_health-plugins
