point 2 in issue 85
switch to 1.5.2 dev, fix for issue 84...arrows disappear on horizontal or vertical in ie8
update changelog for latest 1.5.2 issues
1.5.2 rc1
1.5.2 rc2
1.5.2 rc3
1.5.2 rc4
update changelog with note about backwards compat for 1.5.2, and fix test for parameter order
1.5.2 rc5
remove test code from makesource demo
1.5.2 rc6
update readme to show 1.5.2 as current