Added exception list for irregularities

Following lists are updated

# Globals
plural_exception_definitions = {
  "global":["container", "port", "rule", "subject", "node_selector_term", "http_header",
  "volume_mount", "option", "init_container", "metric", "toleration", "volume", "path",
  "limit", "volume_claim_template", "webhook"]
}

computed_exception_definitions = {
  "global": ["container.resources.limits","container.resources.requests"]
}

max_item_exception_definitions = {
  "global": ["label_selector"]
}