Escape % signs in messages; Resolves #7.
Bumping version number.

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branch : issue_7
Added tag 1.4.6 for changeset 8f4bf6eec4e1

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branch : issue_7
Merging heads.

--HG--
branch : issue_7
Added tag 1.4.6 for changeset e3f831bcfcbd

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branch : issue_7