Add GpuVectorMap2 test case
Add StringBuilderTest4
Merge pull request #155 from millecker/merge3

Add GpuVectorMap2 test case
fixing up last commit
Merge pull request #156 from millecker/merge4

Add StringBuilderTest4 test case
Merge branch 'master' of git://github.com/pcpratts/rootbeer1 into develop