Update packages and add array checks.

Updated most packages without breaking code or modifying tests.
Updated linting and test to use package.json scripts.
Added yarn lint and nodejs aray in github actions.
Bumped min NodeJS to 10.12.0 based on package dependency min nodejs versions found.

The following two package upgrades cause test failures and as such were NOT upgraded:

1. engine-handlebars ^0.8.2 → ^1.1.0
   test\integration\templates.js:70 failures and more

2. micromatch ^3.1.5 → ^4.0.4
   fs.js test failures

************************************** NYC COVERAGE REPORT BELOW **************************************

463 passing (2s)

-----------------|---------|----------|---------|---------|

File	% Stmts	% Branch	% Funcs	% Lines
All files	87.72	75	87.13	88.43
lib	87.16	74.56	86.24	87.92
array.js	87.78	73.74	96.77	90.07
code.js	100	100	100	100
collection.js	100	100	100	100
comparison.js	98.71	92.75	96	98.68
date.js	100	100	100	100
fs.js	100	100	100	100
html.js	100	93.33	100	100
i18n.js	100	100	100	100
index.js	100	100	100	100
logging.js	100	100	100	100
markdown.js	80	100	50	80
match.js	75	100	66.67	75
math.js	59.76	34.78	68.75	59.76
misc.js	63.64	40	75	63.64
number.js	92.42	78.57	100	93.75
object.js	100	96.43	100	100
path.js	72.09	50	87.5	72.09
regex.js	58.33	0	50	58.33
string.js	77.56	64.04	75	77.59
lib/utils	98.44	86.96	100	98.31
createFrame.js	93.75	50	100	93.33
html.js	100	100	100	100
index.js	100	100	100	100
-----------------	---------	----------	---------	---------
=============================== Coverage summary ===============================
Statements : 87.72% ( 1136/1295 )
Branches : 75% ( 486/648 )
Functions : 87.13% ( 176/202 )
Lines : 88.43% ( 1070/1210 )
================================================================================

NOTE: I haev removed the uncovered lines in the table above.