Better SG coverage

Security Groups now capture egress permission (only available in VPC), VPC ID, and Tags.
New SG unit tests
Merge pull request #235 from drombosky/td-more-sg-info

Td more sg info
Create TODO.md
Update README.md
Add Kinesis endpoints for ap-southeast-1 & -2 & ap-northeast-1

Endpoints from http://docs.aws.amazon.com/general/latest/gr/rande.html#ak_region
Merge pull request #239 from richarddbarnett/master

Add Kinesis endpoints for ap-southeast-1 & -2 & ap-northeast-1
return NextMarker in ListResp
Added 1.3.3 to the go versions for Travis ci
Merge pull request #240 from kjk/better-list

return NextMarker in ListResp
Add ListTables iterator
Revert "Update to V4 signing for SNS"
403 error occurs if the space is included in the message, etc.

This reverts commit a22710cac959fb422b341a59b7666215c87a4ac7.
Merge pull request #241 from masahide/add-ListTablesIterator

Add Dynamodb ListTables iterator
Merge pull request #242 from masahide/workaround-escape-space

Workaround V4 Signing problem
Made GetInstanceCredentials public
Merge pull request #245 from jcox92/master

Make GetInstanceCredentials public
add rds DownloadDBLogFilePortion
Merge pull request #249 from masahide/add-rds-DownloadDBLogFilePortion

Add rds DownloadDBLogFilePortion
Add Scan Iterator
Merge pull request #250 from masahide/add-ScanIterator

Add Dynamodb Scan iterator