Changelog for weeder-0.1.8

Changelog for Weeder 0.1.8, released 2017-12-06 Follow both branches for if/else containing dependencies/modules 0.1.7, released 2017-08-09 #21, detect dependencies that are only required transitively #13, respect the STACK_YAML environment variable #20, add verbosity messages in a lot of places #15, tone down unused import if exporting a cross-package type #11, optimise execution speed (~3x faster) 0.1.6, released 2017-06-18 #10, find files generated by alex/happy 0.1.5, released 2017-06-02 If --yaml and no hints give no output 0.1.4, released 2017-05-27 #9, allow --dist-dir to set the stack dist-dir Deal with operators including | in them Allow arrays of arrays of strings in the .weeder.yaml 0.1.3, released 2017-05-08 #5, document how to install weeder #8, detect unused imports, even import Foo() #7, don't say modules with only instances are always redundant #6, don't give partial pattern matches when reading .weeder.yaml 0.1.2, released 2017-04-29 #3, deal with space-separated hs-source-dirs 0.1.1, released 2017-04-29 #2, use "stack query" rather than parsing stack.yaml 0.1, released 2017-04-28 Initial version