added dest parameter to load environment variables-related functions

v0.2.12

refactor: added dest parameter to load environment variables-related …

upgraded dependencies

v0.2.11

chore: upgraded dependencies

upgraded dependencies

v0.2.10

chore: upgraded dependencies

removed unnecessary check

v0.2.9

refactor: removed unnecessary check

upgraded dependencies

v0.2.8

chore: upgraded dependencies

removed nil Logger's LoadedTokenSource function

v0.2.7

fix: removed nil Logger's LoadedTokenSource function

upgraded dependencies

v0.2.6

chore: upgraded dependencies

added loader as parameter to LoadPort function

v0.2.5

refactor: added loader as parameter to LoadPort function

added Loader interface and default implementation

feat: added Loader interface and default implementation

* Added Loader interface and default implementation
* Added Loader's LoadIntVariable function

solved unresolved reference to NilLoggerError

v0.2.3

fix: solved unresolved reference to NilLoggerError