We have seen sometimes IE 7 returns a cookie string starting with "; ", since the first cookie value in this case would be null, using $.cookie() to get other cookie values will always return null.
Fixed the case where the cookie string returned from browser are star…
…ted with '; firstkey=value...'
Probably the same as #88.
Should be combined or be fixed anyway with #104.
Fixing IE issue, where cookie values were not read correctly because
of duplicate occurrences of "; ", fixes #88, fixes #117.