Explicitly catch all throwables (warning in 2.10)
Makes the syntax highlighting on the build file not broken in emacs.
Re-enable deprecation warnings since there are only two
method first in trait IterableLike is deprecated: use `head' instead
Add comment to README that 2.10 not yet supported
Merge pull request #543 from holdenk/master

Re-enable deprecation warnings and fix deprecated warning.