Added command, need to refactor to remove duplicate code between describe and list
Refactored some code into an ensureBuild function
Added getSourceUnitsWithFile function
Merge pull request #16 from sourcegraph/api-list-command

Api list command
add "src toolchain get -u" option for updating from the network, and fix clone url
dont overwrite other path
fix import path in travis CI
add equinox - cross-compiled releases, self-updating
cross-platform user homedir finding
add download links
add readme release
remove old GitHub releases make target (using equinox now)