Change handling of values nearly 90degrees away from the origin (#114)

git-svn-id: http://svn.osgeo.org/metacrs/proj/trunk/proj@2400 4e78687f-474d-0410-85f9-8d5e500ac6b2
avoid warnings

git-svn-id: http://svn.osgeo.org/metacrs/proj/trunk/proj@2401 4e78687f-474d-0410-85f9-8d5e500ac6b2
remove unused variables

git-svn-id: http://svn.osgeo.org/metacrs/proj/trunk/proj@2402 4e78687f-474d-0410-85f9-8d5e500ac6b2
try omerc near pole

git-svn-id: http://svn.osgeo.org/metacrs/proj/trunk/proj@2403 4e78687f-474d-0410-85f9-8d5e500ac6b2