Update to 2020a.

Author: kshetline

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "ks-date-time-zone",
-  "version": "1.6.6",
+  "version": "1.6.7",
   "description": "Date/time, IANA time zones, calendar with settable Julian/Gregorian switchover",
   "main": "dist/index.js",
   "typings": "dist/index",
@@ -24,13 +24,13 @@
   "author": "Kerry Shetline <kerry@shetline.com>",
   "license": "MIT",
   "dependencies": {
-    "ks-math": "^1.1.6",
-    "ks-util": "^1.6.0",
-    "lodash": "^4.17.15"
+    "ks-math": "^1.2.1",
+    "ks-util": "^1.11.1",
+    "lodash": "^4.17.19"
   },
   "devDependencies": {
-    "@types/jasmine": "^2.8.16",
-    "@types/lodash": "^4.14.144",
+    "@types/jasmine": "^2.8.17",
+    "@types/lodash": "^4.14.157",
     "jasmine-core": "^2.99.1",
     "jasmine-spec-reporter": "^4.2.1",
     "karma": "^4.4.1",
@@ -39,7 +39,7 @@
     "karma-jasmine-html-reporter": "^0.2.2",
     "karma-typescript": "^4.1.1",
     "karma-typescript-es6-transform": "^4.1.1",
-    "tslint": "^5.20.0",
+    "tslint": "^5.20.1",
     "typescript": "^2.9.2"
   },
   "repository": "github:kshetline/ks-date-time-zone"