Merged in danpalmer/elaphe (pull request #6)
Specifying an alternate encoding was raising an exception instead of changing the encoding.
This fixes issue #86 - https://bitbucket.org/whosaysni/elaphe/issues/86/datamatrix-c40-encoding-not-working
Specifying an alternate encoding was raising an exception instead of changing the encoding.
This fixes issue #86 - https://bitbucket.org/whosaysni/elaphe/issues/86/datamatrix-c40-encoding-not-working