v0.0.3

Adding new features and bugfixes:

#23 Add public api in the Expression object to accept boolean parameters
#21 fix issue of is null of many-to-one associations
#17 support enum for $in and $nin operators
#15 add count(Expressions) method
#13 Allow using like operator ($contains ...) with numeric properties
#11 support Embedded values
#9 Parent type being reported in case of invalid field enhancement
#6 prevent creating join more than once