Squashed commits. OidToString()

commit de534e32d9da40738029f81e2c43e1a686bd1794
Author: Sonia Hamilton <sonia@snowfrog.net>
Date:   Mon Jan 21 14:11:24 2013 +1100

    tidy OidToString()

commit acbb3a69715fdedba2424ed513005aeeb3cff127
Author: Sonia Hamilton <sonia@snowfrog.net>
Date:   Mon Jan 21 14:04:05 2013 +1100

    comment GNetSnmpUriType

commit 520f576cce7e35b628700f7d966dde141867e126
Author: Sonia Hamilton <sonia@snowfrog.net>
Date:   Tue Dec 25 20:08:07 2012 +1100

    oid_to_str in C working

commit d472db176a208fc9bf6e4c164c0360b28b461cb6
Author: Sonia Hamilton <sonia@snowfrog.net>
Date:   Tue Dec 25 17:12:42 2012 +1100

    wip - very random...

commit fbba085598bb1f900e2e0779063baf46af9f014e
Author: Sonia Hamilton <sonia@snowfrog.net>
Date:   Mon Dec 17 15:20:06 2012 +1100

    tidy doco for better godoc.org output

commit e4fbecf82483b46ec160ef24d765ee2b72a044f2
Author: Sonia Hamilton <sonia@snowfrog.net>
Date:   Mon Dec 17 15:11:24 2012 +1100

    wip

commit e4fa298d21dbe22549db9a45a168a76e5ab2c621
Author: Sonia Hamilton <sonia@snowfrog.net>
Date:   Mon Dec 17 04:15:03 2012 +1100

    wip on *_Ctype_GList String()

commit 4dbca4eb28a8cbfe6a7eeecaf83e27c94cfa7e76
Author: Sonia Hamilton <sonia@snowfrog.net>
Date:   Mon Dec 17 03:32:32 2012 +1100

    wip on *_Ctype_GList String()