Properly format firmware version with leading zeros. Print device id …

…as hex value in example.

Bump major version number due to breaking change in version reporting.

Inconsistent times in documentation comments and code. Use 4min inter…

…val to "prolong service life".

Bump up version number for bug fix release - only change is in packag…

…e manifests.

Overhaul of the PlatformIO manifest file.

Fix for EspSoftwareSerial use of Delegate that resulted in changes to…

… sds_011 also using Delegate.

Reset count of collected measurements, too.

Update to use Delegate

Move sizable functions from header to compilation unit.

Reformat and bump release version

EspSoftwareSerial new ctor/begin() backward compatibility.