Get rid of leading zeros in date tags, causing them to be interpreted as octal in C++
Re-fix: don't add path to empty files. Fixes #536
Fixes #533
download eigen 3 package , eigen2 no longer works
Add support for handling negative step values in ranges (fixes #500).
Add test cases for new range expression handling.
Update 'children' test case using range [4 : -1 : 0] which is now valid.
Fix output of range expressions.
Update 'for' test cases to match the new range expression handling.
Change nbsteps() to uint32_t to make it independent from 32/64-bit platform.
Merge pull request #542 from t-paul/issue500

Allow for statement with negative step value.
Removed eigen2 from build system and documentation. We now require eigen3
Split up projection tests to avoid long running times
Fix compilation error on Ubuntu where uint32_t is not defined.
Merge pull request #550 from t-paul/ubuntu-fix

Fix compilation error on Ubuntu where uint32_t is not defined.
mxe64 build fix. make 'qt disabled' message less confusing on test binary.
Added test for polygon with hole
Merge branch 'master' of github.com:openscad/openscad
Added test for implicit union of render() children
revert to GMPQ number type kernel due to bugs like issue #481