CheckSpeaker takes in three arguments, the city, the year, and the cleaned name of a speaker, and returns true if the speaker already exists.

CreateSpeaker takes input from the user to create a new speaker.

GetSpeakerInfo takes the filename, city, and year of a speaker and returns a Speaker object with the details.

GetSpeakers takes in the city and year and returns a list of the talks.

NewSpeaker takes in a constructed Speaker type and generates the stuff.

ShowSpeakers provides an interactive list of existing speakers for an event, and then displays details about a selected speaker.

SpeakerImage takes in a path to an image and resizes it to the proper dimensions and copies it to the destination.

TOMLHandler decodes TOML string into a go map[string]interface{}.

Speaker defines a devopsdays event's speaker.