Merge pull request #680 from ChrisDenton/0.3.75

Cut backtrace 0.3.75

Merge pull request #658 from workingjubilee/cut-0.3.74

Cut backtrace 0.3.74

Cut 0.3.73 (#632)

Merge pull request #628 from workingjubilee/cut-0.3.72

Cut backtrace 0.3.72

Cut backtrace 0.3.71 (#599)

Merge pull request #590 from workingjubilee/cut-0.3.70

Cut backtrace 0.3.70

Bump to 0.3.69 (#560)

Merge pull request #536 from workingjubilee/prepare-0.3.68

Merge pull request #498 from JohnTitor/release-0.3.67

Prepare 0.3.67 releaase

Bump to 0.3.66