Added "Miscellaneous" section to api.html document. Added custom low-level file I/O examples to IlmImfExamples.
Added "Miscellaneous" section to api.html document.
Added custom low-level file I/O examples to IlmImfExamples.

oglops/OpenEXR,oglops/IlmBase,oglops/IlmBase,oglops/OpenEXR,oglops/PyIlmBase,oglops/PyIlmBase,oglops/PyIlmBase,oglops/IlmBase,oglops/OpenEXR,oglops/PyIlmBase