Merge pull request #87 from danielgavrilov/support-channel-ids

Support sending messages to Channel IDs

Merge pull request #80 from coursehero/issue-79-making-get-ok-func-robust

Issue 79: Wrap the function parameter of get_ok_in_response for avoiding the unexpected caused by the change of the Slack API in future

Merge pull request #78 from coursehero/fix-icon-url-issue-in-streaming

Fix the icon_url issue reported by PR 77 in the streaming mode

Merge pull request #77 from gilesw/master

master: icon_url is not used if icon_emoji is blank

Merge pull request #76 from coursehero/remove-carriage-return

Remove carriage returns to avoid sending error

Add comment about `-s` option of `install.sh`

Merge branch 'brunomgalmeida-master'

Fix indentation

Use array instead of associative array for managing streaming information for old bash.

Fix indentation