CLN: merge: change bare exceptions to more descriptive ones
CLN: stats/common: replace bare exceptions

Replace with more descriptive exceptions
CLN: pandas/sparse: replace bare exceptions

Replace with more descriptive exceptions

CLN: SparsePanel: replace bare exceptions

CLN: SparseFrame: change bare exceptions

CLN: SparseSeries: change bare exceptions

CLN: SparseArray: change bare exceptions
CLN: tools/tile: replace bare exceptions
CLN: pandas/tseries: replace bare exceptions

Replaces bare exceptions with more descriptive ones.
CLN: tseries/frequencies: replace bare exceptions

CLN: tseries/index: replace bare exceptions (mostly tz-aware + tz-naive
TypeError stuff)

CLN: tseries/offsets: replace bare exceptions

CLN: tseries/tools: replace bare exceptions
CLN: core/common: replace bare exceptions
CLN: core/format: replace bare exceptions
CLN: core/frame: replace bare exceptions
CLN: core/internals: replace bare exceptions
CLN: core/index: remove bare exceptions
CLN: core/panel: replace bare exceptions
CLN: core/series: replace bare exceptions.
CLN: core/panelnd: remove bare exceptions
CLN: rpy/common: replace bare exceptions
CLN: io/excel: replace bare exceptions