Merge pull request #18 from tshort/master

Bug fix for @devec_transform
fixes on several tests
Changes to `@devec_transform` to adapt to changes in Base.Expr.
Merge pull request #20 from tshort/devec_transform_update

Changes to `@devec_transform` to adapt to changes in Base.Expr.
replace expr with Expr for latest Julia
replace hard tabs with soft tabs (tests passed)
version 0.2.0
Test ==> Base.Test