Remove unused unistd.h include

See merge request !17

Modifications to handle binning for full_frame and ROIs.

See merge request !16

Reading of readout time only during prepareAcq avoids blocking
the acquisition when reading.

Code cleaning and last corrections

See merge request !15

Calculate ROI on the full image size. Binning will be applied to the ROI.

See merge request !14

Resolve "Fix: trigger modes changing"

Closes #10

See merge request !12

Resolve "add support for a camera identifier"

Closes #1

See merge request !5

Resolve "Add readout attribute"

Closes #11

See merge request !13

Resolve "Fix: pixel value read in the Y direction"

Closes #9

See merge request !11

Resolve "Image type setting"

Closes #7

See merge request !9

Resolve "Implement check binning function"

Closes #8

See merge request !10

Resolve "Error handling unification"

Closes #3

See merge request !8

# Conflicts:
#   src/IrisCamera.cpp

Resolve "Roi does not work"

Closes #5

See merge request !7