Correct grammar and clarify some minor things in the dev history doc.
Merge pull request #378 from colons/you

Correct grammar and clarify some minor things in the dev history doc.
upgrade of pyparsing and suds-jurko for py2
pyparsing 2.0.2
Merge branch 'master' of github.com:arskom/spyne
Merge pull request #382 from galuszkak/migrate_jurko

upgrade of pyparsing and suds-jurko for py2
Merge remote-tracking branch 'plq/master'