test(TestTypedValue): Test Doc::setAttributeValue() on arrays with DateTime's values (refs #4828)
fix(doc): Fix Doc::setAttributeValue() on arrays with DateTime's values (refs #4828)
fix(ihm): Fix corruption of htmltext attributes with vis H or S (refs #4856)

Htmltext attributes with visibility H or S were corrupted on save when
they contained HTML special chars (like '<' and '>').
Merge pull request #1204 from eguaj/3.2-A4856

fix(ihm): Fix corruption of htmltext attributes with vis H or S (closes #4856)
Merge pull request #1203 from eguaj/3.2-A4828

fix(doc): Fix Doc::setAttributeValue() on arrays with DateTime's values (closes #4828)
fix(import): Check for PARAM attributes attached to non-existing frames (refs #4744)