F/lastlink expose more parser methods

[lastlink]

Changes proposed in this pull request:

• expose parser methods
• browserify build

[github-actions]

Coverage after merging f/lastlink into master

89.19%

Coverage Report

File	Branches	Funcs	Lines	Uncovered Lines
contants.ts	N/A	100%	100%
index.ts	N/A	100%	88.84%	143, 178, 194, 298, 303, 309, 379, 381, 382, 383, 393, 486, 721, 722, 731, 735, 761, 782, 785, 788, 791, 792, 793, 794

[github-actions]

Coverage after merging f/lastlink into master

89.19%

Coverage Report

File	Branches	Funcs	Lines	Uncovered Lines
contants.ts	N/A	100%	100%
index.ts	N/A	100%	88.84%	143, 178, 194, 298, 303, 309, 379, 381, 382, 383, 393, 486, 721, 722, 731, 735, 761, 782, 785, 788, 791, 792, 793, 794