Link against libstdc++ on Mac OS 10.9.
Added OS X 10.9 note to README.
Merge pull request #41 from enthought/fix-osx-10-9-build

Link against libstdc++ on Mac OS 10.9
Replace extern string declaration by import from libcpp.
Change 'from_name' class method to function.
Refer to create_ibor_index_from_name function.
Do import locally.
Merge pull request #43 from enthought/maint-remove-cstr-def

Replace extern string declaration by import from libcpp.
Merge pull request #45 from enthought/fix-circular-import

Fix circular import (#44)
simplify pydate_to_qldate, no need to use regexp
fixes for imm, all tests pass
simplify next_imm_date function
add settle_date property to market
ENH: routine to parse QuantLib version string.
TST: added version string unit test, updated calendar unit test.
FIX: use unittest wrapper.
Merge pull request #47 from enthought/maint-version-info-test

Update unit tests to work with QuantLib 1.4 (fixes #46)
Merge branch 'master' into python3

Conflicts:
	quantlib/time/_imm.pxd
	quantlib/time/imm.pyx
make sure tests pass after the previous merge