Plugin links: fix various errors, closes #912 @2h Import uriparser to decode URLs correctly with fragment and query support for a better link decomposition. Improve pre-check message to allow people writing text after the link, e.g: http://example.org <- you should check this Improve relocation. Split code for better style.

rule=L001
rule=L002
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rule=L004
parameter=max-line-length=120
rule=L005
parameter=max-consecutive-empty-lines=1
rule=T003
rule=T004
rule=T005
rule=T006
rule=T008
rule=T017
rule=T018