When allocating the buffer for a version string, the size should be
one greater than the max string size as the null string is inserted at
the content size index which leads to a buffer overflow.

Signed-off-by: William Douglas <william.douglas@intel.com>

Allow users to update by stepping through each release between their
current version and the latest. This option is primarily for cases
where update is failing due to memory or disk space running out when
updating normally.

Signed-off-by: William Douglas <william.douglas@intel.com>