Added library remove methods to WRITE_METHODS
Added user.getrecentstations", "user.getrecommendedartists" and
"user.getrecommendedevents" to SIGNED_METHODS
Merge commit '96adc524e758e5501f5bcc82b22a92c7ffa28795' into hotfix/v0.8.4
Bump version number
Merge branch 'hotfix/v0.8.4'