The clc_mapper stdout is not interesting enough to capture as file
We need samtools in the CLC Bio wrapper
Must use clc_cas_to_sam to convert CLC Bio's CAS file to SAM/BAM
Correct Galaxy datatype name 'text' should be 'txt'

Otherwise you can a problem with no mimetype, so it can't
be viewed in the browser properly.
Defensive quoting of filenames in case of spaces
More explicit help text for CLC Bio's mapper
Link to CLC Bio's online manual for CLC Assembly Cell
The CLC Bio assembler's stdout log isn't interesting enough to save as a file
CLC Bio insist on -q before -i

The problem only shows up when the first read group is two files.
If you had single reads or an interleaved file first, then the -q
for that sufficed.