fix failing Ruby tests on 64-bit Linux
remove debug output
fix compilation on Mac OS X (10.8.5)

tre library code triggers self-assignment warning, patched tre-compile.c
Merge pull request #244 from satta/ruby64

fix failing Ruby tests on 64-bit Linux
fix failing gttestdata tests

these changes require a new gttestdata as well, please pull.
Merge pull request #247 from satta/mac_compile_warn

fix compilation on Mac OS X (10.8.5)
Merge pull request #248 from satta/gttestdatafails

fix failing gttestdata tests
Closes #249.
Merge branch 'fis' of github.com:standage/genometools into standage-fis
coding convention
update error message
Merge pull request #251 from Garonenur/dw

Genomediff error msg
old scan build error fixed
fix right extension in gt_repfind
Merge pull request #252 from Garonenur/dw

fix failing test after GtSeqabstract changes
Closes #253.

I simplified the implementation of this class a bit, and extended the unit tests to include a case that was causing problems before.
Code syntax
Fixed unused parameter
Merge pull request #254 from standage/master

Closes #253.
Fixes ill-formatted API documentation for GtSetSourceVisitor