replace argument for insert method

git-svn-id: http://svn.code.sf.net/p/pyx/code/trunk/pyx@3350 a4f5e268-e194-4f32-bce1-d30804cbbcc5
properly apply all textattrs in curvedtext

git-svn-id: http://svn.code.sf.net/p/pyx/code/trunk/pyx@3351 a4f5e268-e194-4f32-bce1-d30804cbbcc5
properly apply all textattrs in curvedtext

git-svn-id: http://svn.code.sf.net/p/pyx/code/trunk/pyx@3352 a4f5e268-e194-4f32-bce1-d30804cbbcc5
fix bug #61

git-svn-id: http://svn.code.sf.net/p/pyx/code/trunk/pyx@3353 a4f5e268-e194-4f32-bce1-d30804cbbcc5