added python test case li_std_except_as_class for SF bug 1295
added patch for SF bug #1295
added test case for SF bug #1296
applied patch for SF bug #1296
corrected some typos
Add generated files to .gitignore.
Merge remote branch 'upstream/master'
Merge branch 'SFbug1295' of https://github.com/ptomulik/swig
Add change notes for last commit
Merge branch 'SFbug1296' of https://github.com/ptomulik/swig into ptomulik-SFbug1296
Add CHANGES note for virtual destructor in templates bug in prev commit
r changes to handle external pointers