Fixed `--cwd` handling for the version tool (ceylon/ceylon-common#32)
Added test for `--cwd` handling of the version tool (ceylon/ceylon-common#32)
Fixed `--cwd` handling for src tool (ceylon/ceylon-common#32)
Added test for `--cwd` handling of src tool (ceylon/ceylon-common#32)
Fixed `--cwd` handling for plugin tool (ceylon/ceylon-common#32)
Fixed handling of `--cwd` for "new" tool (ceylon/ceylon-common#32)
Added test for handling of `--cwd` for the "new" tool (ceylon/ceylon-common#32)