Update to tagsoup-0.14.8

0.14.8, released 2019-05-01
    #78, add strMap
0.14.7, released 2018-09-18
    #75, escape single quote (') characters as '
    #72, update some dead URLs
0.14.6, released 2018-02-27
    Fix up source positions on bogus <! markers
0.14.5, released 2018-02-27
    Fix up source positions on bogus <? markers
0.14.4, released 2018-02-26
    #71, fix up source positions on bogus comments
0.14.3, released 2018-01-21
    #70, fix up source positions on comments
0.14.2, released 2017-11-30
    #66, make sure positions are correct for lone & characters
0.14.1, released 2017-02-25
    #63, add maybeAttrib
0.14, released 2016-06-11
    #14, eliminate Text.HTML.Download
0.13.10, released 2016-05-06
    #51, improve the Haddock documentation
    #52, fix some > 16bit HTML entities

(pho)