Function flood 

pub fn flood(events: Vec<Event>, pulsetime: Duration) -> Vec<Event>

Floods event to the nearest neighbouring event if within the specified pulsetime

Also merges events if they have the same data and are within the pulsetime

Example

pulsetime: 1 second (one space)
input:  [a] [a]  [b][b]    [b][c]
output: [a     ][b    ]    [b][c]