Updated loader utils and used new API for options retrieving.

[WiseBird]

Fixes #75

[codecov-io]

Codecov Report

Merging #76 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master      #76   +/-   ##
=======================================
  Coverage   96.42%   96.42%           
=======================================
  Files           1        1           
  Lines          28       28           
  Branches        5        5           
=======================================
  Hits           27       27           
  Misses          1        1

Impacted Files	Coverage Δ
index.js	96.42% <100%> (ø)	⬆️

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[WiseBird]

duplicate