Clean up import from libcpp.
Fix typo.
Add -c option to wget, to continue downloads if interrupted and to make sure that running it several times won't download files again
Make testbuild.sh readily functional.
Move file wmap_band_imap_r9_7yr_W_v4_1deg_nside32.fits in test/data, alongside other similar files. The new location is the one expected by test_sphtfunc.py.
Merge pull request #79 from pchanial/small_fixes

Small fixes